Home / 14,500,864.24-20,011,706.19-7,974,998.80

Finding the Fourth Proportional to 14,500,864.24, 20,011,706.19 and 7,974,998.80

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Solution

The fourth proportional to 14,500,864.24, 20,011,706.19 and 7,974,998.80 is: 11,005,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,864.24 : 20,011,706.19 = 7,974,998.80 : x
  2. Step 2: Convert to fraction form
    14,500,864.24/20,011,706.19 = 7,974,998.80/x
  3. Step 3: Cross multiply
    14,500,864.24x = 20,011,706.19 × 7,974,998.80
  4. Step 4: Simplify right side
    14,500,864.24x = 159,593,332,851,202.59
  5. Step 5: Solve for x
    x = 159,593,332,851,202.59/14,500,864.24
  6. Step 6: Final answer
    x = 11,005,780.77

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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.