Home / 44,712,000.40-67,068,000.60-20,478,290.80

Finding the Fourth Proportional to 44,712,000.40, 67,068,000.60 and 20,478,290.80

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Solution

The fourth proportional to 44,712,000.40, 67,068,000.60 and 20,478,290.80 is: 30,717,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712,000.40 : 67,068,000.60 = 20,478,290.80 : x
  2. Step 2: Convert to fraction form
    44,712,000.40/67,068,000.60 = 20,478,290.80/x
  3. Step 3: Cross multiply
    44,712,000.40x = 67,068,000.60 × 20,478,290.80
  4. Step 4: Simplify right side
    44,712,000.40x = 1,373,438,019,661,374.50
  5. Step 5: Solve for x
    x = 1,373,438,019,661,374.50/44,712,000.40
  6. Step 6: Final answer
    x = 30,717,436.20

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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.