Home / 28,084,588.80-42,126,883.20-13,700,252.40

Finding the Fourth Proportional to 28,084,588.80, 42,126,883.20 and 13,700,252.40

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Solution

The fourth proportional to 28,084,588.80, 42,126,883.20 and 13,700,252.40 is: 20,550,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,588.80 : 42,126,883.20 = 13,700,252.40 : x
  2. Step 2: Convert to fraction form
    28,084,588.80/42,126,883.20 = 13,700,252.40/x
  3. Step 3: Cross multiply
    28,084,588.80x = 42,126,883.20 × 13,700,252.40
  4. Step 4: Simplify right side
    28,084,588.80x = 577,148,932,665,319.75
  5. Step 5: Solve for x
    x = 577,148,932,665,319.75/28,084,588.80
  6. Step 6: Final answer
    x = 20,550,378.60

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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.