Home / 14,500,854.74-20,011,693.07-7,974,989.30

Finding the Fourth Proportional to 14,500,854.74, 20,011,693.07 and 7,974,989.30

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Solution

The fourth proportional to 14,500,854.74, 20,011,693.07 and 7,974,989.30 is: 11,005,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,854.74 : 20,011,693.07 = 7,974,989.30 : x
  2. Step 2: Convert to fraction form
    14,500,854.74/20,011,693.07 = 7,974,989.30/x
  3. Step 3: Cross multiply
    14,500,854.74x = 20,011,693.07 × 7,974,989.30
  4. Step 4: Simplify right side
    14,500,854.74x = 159,593,038,108,134.16
  5. Step 5: Solve for x
    x = 159,593,038,108,134.16/14,500,854.74
  6. Step 6: Final answer
    x = 11,005,767.66

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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.