Home / 21,581,521.70-32,372,282.55-14,779,076.90

Finding the Fourth Proportional to 21,581,521.70, 32,372,282.55 and 14,779,076.90

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Solution

The fourth proportional to 21,581,521.70, 32,372,282.55 and 14,779,076.90 is: 22,168,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,521.70 : 32,372,282.55 = 14,779,076.90 : x
  2. Step 2: Convert to fraction form
    21,581,521.70/32,372,282.55 = 14,779,076.90/x
  3. Step 3: Cross multiply
    21,581,521.70x = 32,372,282.55 × 14,779,076.90
  4. Step 4: Simplify right side
    21,581,521.70x = 478,432,453,234,978.12
  5. Step 5: Solve for x
    x = 478,432,453,234,978.12/21,581,521.70
  6. Step 6: Final answer
    x = 22,168,615.35

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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.