Home / 10,229,815.38-14,116,140.12-5,645,840.70

Finding the Fourth Proportional to 10,229,815.38, 14,116,140.12 and 5,645,840.70

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Solution

The fourth proportional to 10,229,815.38, 14,116,140.12 and 5,645,840.70 is: 7,790,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229,815.38 : 14,116,140.12 = 5,645,840.70 : x
  2. Step 2: Convert to fraction form
    10,229,815.38/14,116,140.12 = 5,645,840.70/x
  3. Step 3: Cross multiply
    10,229,815.38x = 14,116,140.12 × 5,645,840.70
  4. Step 4: Simplify right side
    10,229,815.38x = 79,697,478,416,398.88
  5. Step 5: Solve for x
    x = 79,697,478,416,398.88/10,229,815.38
  6. Step 6: Final answer
    x = 7,790,705.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.