Home / 21,780,107.20-32,670,160.80-14,977,662.40

Finding the Fourth Proportional to 21,780,107.20, 32,670,160.80 and 14,977,662.40

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Solution

The fourth proportional to 21,780,107.20, 32,670,160.80 and 14,977,662.40 is: 22,466,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,780,107.20 : 32,670,160.80 = 14,977,662.40 : x
  2. Step 2: Convert to fraction form
    21,780,107.20/32,670,160.80 = 14,977,662.40/x
  3. Step 3: Cross multiply
    21,780,107.20x = 32,670,160.80 × 14,977,662.40
  4. Step 4: Simplify right side
    21,780,107.20x = 489,322,639,016,113.94
  5. Step 5: Solve for x
    x = 489,322,639,016,113.94/21,780,107.20
  6. Step 6: Final answer
    x = 22,466,493.60

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Similar ratio
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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.