Home / 14,215,519.70-21,323,279.55-9,428,614.10

Finding the Fourth Proportional to 14,215,519.70, 21,323,279.55 and 9,428,614.10

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Solution

The fourth proportional to 14,215,519.70, 21,323,279.55 and 9,428,614.10 is: 14,142,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,519.70 : 21,323,279.55 = 9,428,614.10 : x
  2. Step 2: Convert to fraction form
    14,215,519.70/21,323,279.55 = 9,428,614.10/x
  3. Step 3: Cross multiply
    14,215,519.70x = 21,323,279.55 × 9,428,614.10
  4. Step 4: Simplify right side
    14,215,519.70x = 201,048,974,223,371.66
  5. Step 5: Solve for x
    x = 201,048,974,223,371.66/14,215,519.70
  6. Step 6: Final answer
    x = 14,142,921.15

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Double scale
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Similar ratio
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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.