Home / 36,897,000.40-55,345,500.60-28,287,656.20

Finding the Fourth Proportional to 36,897,000.40, 55,345,500.60 and 28,287,656.20

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Solution

The fourth proportional to 36,897,000.40, 55,345,500.60 and 28,287,656.20 is: 42,431,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897,000.40 : 55,345,500.60 = 28,287,656.20 : x
  2. Step 2: Convert to fraction form
    36,897,000.40/55,345,500.60 = 28,287,656.20/x
  3. Step 3: Cross multiply
    36,897,000.40x = 55,345,500.60 × 28,287,656.20
  4. Step 4: Simplify right side
    36,897,000.40x = 1,565,594,493,189,693.75
  5. Step 5: Solve for x
    x = 1,565,594,493,189,693.75/36,897,000.40
  6. Step 6: Final answer
    x = 42,431,484.30

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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.