Home / 12,798,001.20-19,197,001.80-8,493,329.10

Finding the Fourth Proportional to 12,798,001.20, 19,197,001.80 and 8,493,329.10

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Solution

The fourth proportional to 12,798,001.20, 19,197,001.80 and 8,493,329.10 is: 12,739,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,001.20 : 19,197,001.80 = 8,493,329.10 : x
  2. Step 2: Convert to fraction form
    12,798,001.20/19,197,001.80 = 8,493,329.10/x
  3. Step 3: Cross multiply
    12,798,001.20x = 19,197,001.80 × 8,493,329.10
  4. Step 4: Simplify right side
    12,798,001.20x = 163,046,454,020,692.38
  5. Step 5: Solve for x
    x = 163,046,454,020,692.38/12,798,001.20
  6. Step 6: Final answer
    x = 12,739,993.65

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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.