Home / 14,348,421.20-21,522,631.80-5,371,806.80

Finding the Fourth Proportional to 14,348,421.20, 21,522,631.80 and 5,371,806.80

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Solution

The fourth proportional to 14,348,421.20, 21,522,631.80 and 5,371,806.80 is: 8,057,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348,421.20 : 21,522,631.80 = 5,371,806.80 : x
  2. Step 2: Convert to fraction form
    14,348,421.20/21,522,631.80 = 5,371,806.80/x
  3. Step 3: Cross multiply
    14,348,421.20x = 21,522,631.80 × 5,371,806.80
  4. Step 4: Simplify right side
    14,348,421.20x = 115,615,419,857,136.23
  5. Step 5: Solve for x
    x = 115,615,419,857,136.23/14,348,421.20
  6. Step 6: Final answer
    x = 8,057,710.20

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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.