Home / 15,316,123.20-21,136,250.45-8,440,605.27

Finding the Fourth Proportional to 15,316,123.20, 21,136,250.45 and 8,440,605.27

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Solution

The fourth proportional to 15,316,123.20, 21,136,250.45 and 8,440,605.27 is: 11,648,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,123.20 : 21,136,250.45 = 8,440,605.27 : x
  2. Step 2: Convert to fraction form
    15,316,123.20/21,136,250.45 = 8,440,605.27/x
  3. Step 3: Cross multiply
    15,316,123.20x = 21,136,250.45 × 8,440,605.27
  4. Step 4: Simplify right side
    15,316,123.20x = 178,402,746,830,628.62
  5. Step 5: Solve for x
    x = 178,402,746,830,628.62/15,316,123.20
  6. Step 6: Final answer
    x = 11,648,035.50

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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.