Home / 21,571,962.20-32,357,943.30-15,548,964.20

Finding the Fourth Proportional to 21,571,962.20, 32,357,943.30 and 15,548,964.20

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Solution

The fourth proportional to 21,571,962.20, 32,357,943.30 and 15,548,964.20 is: 23,323,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571,962.20 : 32,357,943.30 = 15,548,964.20 : x
  2. Step 2: Convert to fraction form
    21,571,962.20/32,357,943.30 = 15,548,964.20/x
  3. Step 3: Cross multiply
    21,571,962.20x = 32,357,943.30 × 15,548,964.20
  4. Step 4: Simplify right side
    21,571,962.20x = 503,132,501,957,329.88
  5. Step 5: Solve for x
    x = 503,132,501,957,329.88/21,571,962.20
  6. Step 6: Final answer
    x = 23,323,446.30

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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.