Home / 14,013,531.20-21,004,550.40-7,187,466.80

Finding the Fourth Proportional to 14,013,531.20, 21,004,550.40 and 7,187,466.80

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Solution

The fourth proportional to 14,013,531.20, 21,004,550.40 and 7,187,466.80 is: 10,773,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,531.20 : 21,004,550.40 = 7,187,466.80 : x
  2. Step 2: Convert to fraction form
    14,013,531.20/21,004,550.40 = 7,187,466.80/x
  3. Step 3: Cross multiply
    14,013,531.20x = 21,004,550.40 × 7,187,466.80
  4. Step 4: Simplify right side
    14,013,531.20x = 150,969,508,648,926.72
  5. Step 5: Solve for x
    x = 150,969,508,648,926.72/14,013,531.20
  6. Step 6: Final answer
    x = 10,773,123.95

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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.