Home / 21,581,204.70-32,371,807.05-14,778,759.90

Finding the Fourth Proportional to 21,581,204.70, 32,371,807.05 and 14,778,759.90

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Solution

The fourth proportional to 21,581,204.70, 32,371,807.05 and 14,778,759.90 is: 22,168,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,204.70 : 32,371,807.05 = 14,778,759.90 : x
  2. Step 2: Convert to fraction form
    21,581,204.70/32,371,807.05 = 14,778,759.90/x
  3. Step 3: Cross multiply
    21,581,204.70x = 32,371,807.05 × 14,778,759.90
  4. Step 4: Simplify right side
    21,581,204.70x = 478,415,163,921,077.31
  5. Step 5: Solve for x
    x = 478,415,163,921,077.31/21,581,204.70
  6. Step 6: Final answer
    x = 22,168,139.85

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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.