Home / 40,381,380.60-60,572,070.90-18,808,812.60

Finding the Fourth Proportional to 40,381,380.60, 60,572,070.90 and 18,808,812.60

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Solution

The fourth proportional to 40,381,380.60, 60,572,070.90 and 18,808,812.60 is: 28,213,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,380.60 : 60,572,070.90 = 18,808,812.60 : x
  2. Step 2: Convert to fraction form
    40,381,380.60/60,572,070.90 = 18,808,812.60/x
  3. Step 3: Cross multiply
    40,381,380.60x = 60,572,070.90 × 18,808,812.60
  4. Step 4: Simplify right side
    40,381,380.60x = 1,139,288,730,352,013.50
  5. Step 5: Solve for x
    x = 1,139,288,730,352,013.50/40,381,380.60
  6. Step 6: Final answer
    x = 28,213,218.90

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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.