Home / 21,387,856.20-32,081,784.30-16,610,281.80

Finding the Fourth Proportional to 21,387,856.20, 32,081,784.30 and 16,610,281.80

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Solution

The fourth proportional to 21,387,856.20, 32,081,784.30 and 16,610,281.80 is: 24,915,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,856.20 : 32,081,784.30 = 16,610,281.80 : x
  2. Step 2: Convert to fraction form
    21,387,856.20/32,081,784.30 = 16,610,281.80/x
  3. Step 3: Cross multiply
    21,387,856.20x = 32,081,784.30 × 16,610,281.80
  4. Step 4: Simplify right side
    21,387,856.20x = 532,887,477,869,815.75
  5. Step 5: Solve for x
    x = 532,887,477,869,815.75/21,387,856.20
  6. Step 6: Final answer
    x = 24,915,422.70

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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.