Home / 8,917,238.40-12,306,839.52-5,295,566.40

Finding the Fourth Proportional to 8,917,238.40, 12,306,839.52 and 5,295,566.40

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Solution

The fourth proportional to 8,917,238.40, 12,306,839.52 and 5,295,566.40 is: 7,308,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,238.40 : 12,306,839.52 = 5,295,566.40 : x
  2. Step 2: Convert to fraction form
    8,917,238.40/12,306,839.52 = 5,295,566.40/x
  3. Step 3: Cross multiply
    8,917,238.40x = 12,306,839.52 × 5,295,566.40
  4. Step 4: Simplify right side
    8,917,238.40x = 65,171,685,852,304.13
  5. Step 5: Solve for x
    x = 65,171,685,852,304.13/8,917,238.40
  6. Step 6: Final answer
    x = 7,308,505.50

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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.