Home / 40,413,793.60-60,620,690.40-19,953,315.10

Finding the Fourth Proportional to 40,413,793.60, 60,620,690.40 and 19,953,315.10

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Solution

The fourth proportional to 40,413,793.60, 60,620,690.40 and 19,953,315.10 is: 29,929,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,413,793.60 : 60,620,690.40 = 19,953,315.10 : x
  2. Step 2: Convert to fraction form
    40,413,793.60/60,620,690.40 = 19,953,315.10/x
  3. Step 3: Cross multiply
    40,413,793.60x = 60,620,690.40 × 19,953,315.10
  4. Step 4: Simplify right side
    40,413,793.60x = 1,209,583,737,130,745
  5. Step 5: Solve for x
    x = 1,209,583,737,130,745/40,413,793.60
  6. Step 6: Final answer
    x = 29,929,972.65

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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.