Home / 23,145,434.40-34,723,681.20-11,168,320.80

Finding the Fourth Proportional to 23,145,434.40, 34,723,681.20 and 11,168,320.80

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Solution

The fourth proportional to 23,145,434.40, 34,723,681.20 and 11,168,320.80 is: 16,755,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145,434.40 : 34,723,681.20 = 11,168,320.80 : x
  2. Step 2: Convert to fraction form
    23,145,434.40/34,723,681.20 = 11,168,320.80/x
  3. Step 3: Cross multiply
    23,145,434.40x = 34,723,681.20 × 11,168,320.80
  4. Step 4: Simplify right side
    23,145,434.40x = 387,805,210,998,529
  5. Step 5: Solve for x
    x = 387,805,210,998,529/23,145,434.40
  6. Step 6: Final answer
    x = 16,755,149.39

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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.