Home / 14,178,346.20-21,220,280.10-13,044,605.40

Finding the Fourth Proportional to 14,178,346.20, 21,220,280.10 and 13,044,605.40

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Solution

The fourth proportional to 14,178,346.20, 21,220,280.10 and 13,044,605.40 is: 19,523,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,346.20 : 21,220,280.10 = 13,044,605.40 : x
  2. Step 2: Convert to fraction form
    14,178,346.20/21,220,280.10 = 13,044,605.40/x
  3. Step 3: Cross multiply
    14,178,346.20x = 21,220,280.10 × 13,044,605.40
  4. Step 4: Simplify right side
    14,178,346.20x = 276,810,180,381,972.56
  5. Step 5: Solve for x
    x = 276,810,180,381,972.56/14,178,346.20
  6. Step 6: Final answer
    x = 19,523,446.28

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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.