Home / 12,472,238.80-18,705,733.80-5,284,007.20

Finding the Fourth Proportional to 12,472,238.80, 18,705,733.80 and 5,284,007.20

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Solution

The fourth proportional to 12,472,238.80, 18,705,733.80 and 5,284,007.20 is: 7,924,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,238.80 : 18,705,733.80 = 5,284,007.20 : x
  2. Step 2: Convert to fraction form
    12,472,238.80/18,705,733.80 = 5,284,007.20/x
  3. Step 3: Cross multiply
    12,472,238.80x = 18,705,733.80 × 5,284,007.20
  4. Step 4: Simplify right side
    12,472,238.80x = 98,841,232,080,483.38
  5. Step 5: Solve for x
    x = 98,841,232,080,483.38/12,472,238.80
  6. Step 6: Final answer
    x = 7,924,898.94

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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.