Home / 21,334,130.20-32,001,195.30-15,665,426.20

Finding the Fourth Proportional to 21,334,130.20, 32,001,195.30 and 15,665,426.20

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Solution

The fourth proportional to 21,334,130.20, 32,001,195.30 and 15,665,426.20 is: 23,498,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,130.20 : 32,001,195.30 = 15,665,426.20 : x
  2. Step 2: Convert to fraction form
    21,334,130.20/32,001,195.30 = 15,665,426.20/x
  3. Step 3: Cross multiply
    21,334,130.20x = 32,001,195.30 × 15,665,426.20
  4. Step 4: Simplify right side
    21,334,130.20x = 501,312,363,283,936.88
  5. Step 5: Solve for x
    x = 501,312,363,283,936.88/21,334,130.20
  6. Step 6: Final answer
    x = 23,498,139.30

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Double scale
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1.5x scale

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.