Home / 20,080,787.20-27,711,701.04-10,913,430.40

Finding the Fourth Proportional to 20,080,787.20, 27,711,701.04 and 10,913,430.40

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Solution

The fourth proportional to 20,080,787.20, 27,711,701.04 and 10,913,430.40 is: 15,060,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,787.20 : 27,711,701.04 = 10,913,430.40 : x
  2. Step 2: Convert to fraction form
    20,080,787.20/27,711,701.04 = 10,913,430.40/x
  3. Step 3: Cross multiply
    20,080,787.20x = 27,711,701.04 × 10,913,430.40
  4. Step 4: Simplify right side
    20,080,787.20x = 302,429,720,565,647.62
  5. Step 5: Solve for x
    x = 302,429,720,565,647.62/20,080,787.20
  6. Step 6: Final answer
    x = 15,060,650.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.