Home / 10,445,476.80-15,668,215.20-8,053,992.30

Finding the Fourth Proportional to 10,445,476.80, 15,668,215.20 and 8,053,992.30

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Solution

The fourth proportional to 10,445,476.80, 15,668,215.20 and 8,053,992.30 is: 12,080,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445,476.80 : 15,668,215.20 = 8,053,992.30 : x
  2. Step 2: Convert to fraction form
    10,445,476.80/15,668,215.20 = 8,053,992.30/x
  3. Step 3: Cross multiply
    10,445,476.80x = 15,668,215.20 × 8,053,992.30
  4. Step 4: Simplify right side
    10,445,476.80x = 126,191,684,575,542.95
  5. Step 5: Solve for x
    x = 126,191,684,575,542.95/10,445,476.80
  6. Step 6: Final answer
    x = 12,080,988.45

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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.