Home / 28,763,134.40-43,144,701.60-13,646,590.40

Finding the Fourth Proportional to 28,763,134.40, 43,144,701.60 and 13,646,590.40

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Solution

The fourth proportional to 28,763,134.40, 43,144,701.60 and 13,646,590.40 is: 20,469,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,134.40 : 43,144,701.60 = 13,646,590.40 : x
  2. Step 2: Convert to fraction form
    28,763,134.40/43,144,701.60 = 13,646,590.40/x
  3. Step 3: Cross multiply
    28,763,134.40x = 43,144,701.60 × 13,646,590.40
  4. Step 4: Simplify right side
    28,763,134.40x = 588,778,070,665,424.62
  5. Step 5: Solve for x
    x = 588,778,070,665,424.62/28,763,134.40
  6. Step 6: Final answer
    x = 20,469,885.60

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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.