Home / 12,257,590.40-18,386,385.60-10,368,022.40

Finding the Fourth Proportional to 12,257,590.40, 18,386,385.60 and 10,368,022.40

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Solution

The fourth proportional to 12,257,590.40, 18,386,385.60 and 10,368,022.40 is: 15,552,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257,590.40 : 18,386,385.60 = 10,368,022.40 : x
  2. Step 2: Convert to fraction form
    12,257,590.40/18,386,385.60 = 10,368,022.40/x
  3. Step 3: Cross multiply
    12,257,590.40x = 18,386,385.60 × 10,368,022.40
  4. Step 4: Simplify right side
    12,257,590.40x = 190,630,457,755,837.47
  5. Step 5: Solve for x
    x = 190,630,457,755,837.47/12,257,590.40
  6. Step 6: Final answer
    x = 15,552,033.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.