Home / 40,381,333.60-60,572,000.40-18,808,765.60

Finding the Fourth Proportional to 40,381,333.60, 60,572,000.40 and 18,808,765.60

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Solution

The fourth proportional to 40,381,333.60, 60,572,000.40 and 18,808,765.60 is: 28,213,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,333.60 : 60,572,000.40 = 18,808,765.60 : x
  2. Step 2: Convert to fraction form
    40,381,333.60/60,572,000.40 = 18,808,765.60/x
  3. Step 3: Cross multiply
    40,381,333.60x = 60,572,000.40 × 18,808,765.60
  4. Step 4: Simplify right side
    40,381,333.60x = 1,139,284,557,446,706.25
  5. Step 5: Solve for x
    x = 1,139,284,557,446,706.25/40,381,333.60
  6. Step 6: Final answer
    x = 28,213,148.40

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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.