Home / 10,108,007.40-15,167,259.90-4,428,805.80

Finding the Fourth Proportional to 10,108,007.40, 15,167,259.90 and 4,428,805.80

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Solution

The fourth proportional to 10,108,007.40, 15,167,259.90 and 4,428,805.80 is: 6,645,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108,007.40 : 15,167,259.90 = 4,428,805.80 : x
  2. Step 2: Convert to fraction form
    10,108,007.40/15,167,259.90 = 4,428,805.80/x
  3. Step 3: Cross multiply
    10,108,007.40x = 15,167,259.90 × 4,428,805.80
  4. Step 4: Simplify right side
    10,108,007.40x = 67,172,848,615,227.42
  5. Step 5: Solve for x
    x = 67,172,848,615,227.42/10,108,007.40
  6. Step 6: Final answer
    x = 6,645,508.45

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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.