Home / 15,969,117.60-23,969,422.80-7,891,214.40

Finding the Fourth Proportional to 15,969,117.60, 23,969,422.80 and 7,891,214.40

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Solution

The fourth proportional to 15,969,117.60, 23,969,422.80 and 7,891,214.40 is: 11,844,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969,117.60 : 23,969,422.80 = 7,891,214.40 : x
  2. Step 2: Convert to fraction form
    15,969,117.60/23,969,422.80 = 7,891,214.40/x
  3. Step 3: Cross multiply
    15,969,117.60x = 23,969,422.80 × 7,891,214.40
  4. Step 4: Simplify right side
    15,969,117.60x = 189,147,854,359,048.34
  5. Step 5: Solve for x
    x = 189,147,854,359,048.34/15,969,117.60
  6. Step 6: Final answer
    x = 11,844,602.76

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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.