Home / 14,500,867.74-20,011,711.41-7,975,001.90

Finding the Fourth Proportional to 14,500,867.74, 20,011,711.41 and 7,975,001.90

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Solution

The fourth proportional to 14,500,867.74, 20,011,711.41 and 7,975,001.90 is: 11,005,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,867.74 : 20,011,711.41 = 7,975,001.90 : x
  2. Step 2: Convert to fraction form
    14,500,867.74/20,011,711.41 = 7,975,001.90/x
  3. Step 3: Cross multiply
    14,500,867.74x = 20,011,711.41 × 7,975,001.90
  4. Step 4: Simplify right side
    14,500,867.74x = 159,593,436,416,943.12
  5. Step 5: Solve for x
    x = 159,593,436,416,943.12/14,500,867.74
  6. Step 6: Final answer
    x = 11,005,785.26

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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.