Home / 19,387,915.36-29,081,785.56-5,009,760.88

Finding the Fourth Proportional to 19,387,915.36, 29,081,785.56 and 5,009,760.88

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Solution

The fourth proportional to 19,387,915.36, 29,081,785.56 and 5,009,760.88 is: 7,514,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,915.36 : 29,081,785.56 = 5,009,760.88 : x
  2. Step 2: Convert to fraction form
    19,387,915.36/29,081,785.56 = 5,009,760.88/x
  3. Step 3: Cross multiply
    19,387,915.36x = 29,081,785.56 × 5,009,760.88
  4. Step 4: Simplify right side
    19,387,915.36x = 145,692,791,619,036.88
  5. Step 5: Solve for x
    x = 145,692,791,619,036.88/19,387,915.36
  6. Step 6: Final answer
    x = 7,514,618.72

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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.