Home / 13,750,660.80-20,612,383.20-6,078,470.40

Finding the Fourth Proportional to 13,750,660.80, 20,612,383.20 and 6,078,470.40

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Solution

The fourth proportional to 13,750,660.80, 20,612,383.20 and 6,078,470.40 is: 9,111,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750,660.80 : 20,612,383.20 = 6,078,470.40 : x
  2. Step 2: Convert to fraction form
    13,750,660.80/20,612,383.20 = 6,078,470.40/x
  3. Step 3: Cross multiply
    13,750,660.80x = 20,612,383.20 × 6,078,470.40
  4. Step 4: Simplify right side
    13,750,660.80x = 125,291,761,154,657.28
  5. Step 5: Solve for x
    x = 125,291,761,154,657.28/13,750,660.80
  6. Step 6: Final answer
    x = 9,111,690.19

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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.