Home / 20,219,699.10-30,329,548.65-14,480,136.30

Finding the Fourth Proportional to 20,219,699.10, 30,329,548.65 and 14,480,136.30

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Solution

The fourth proportional to 20,219,699.10, 30,329,548.65 and 14,480,136.30 is: 21,720,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,699.10 : 30,329,548.65 = 14,480,136.30 : x
  2. Step 2: Convert to fraction form
    20,219,699.10/30,329,548.65 = 14,480,136.30/x
  3. Step 3: Cross multiply
    20,219,699.10x = 30,329,548.65 × 14,480,136.30
  4. Step 4: Simplify right side
    20,219,699.10x = 439,175,998,369,481
  5. Step 5: Solve for x
    x = 439,175,998,369,481/20,219,699.10
  6. Step 6: Final answer
    x = 21,720,204.45

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Similar ratio
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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.