Home / 31,725,382.12-43,781,071.02-17,975,275.72

Finding the Fourth Proportional to 31,725,382.12, 43,781,071.02 and 17,975,275.72

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Solution

The fourth proportional to 31,725,382.12, 43,781,071.02 and 17,975,275.72 is: 24,805,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725,382.12 : 43,781,071.02 = 17,975,275.72 : x
  2. Step 2: Convert to fraction form
    31,725,382.12/43,781,071.02 = 17,975,275.72/x
  3. Step 3: Cross multiply
    31,725,382.12x = 43,781,071.02 × 17,975,275.72
  4. Step 4: Simplify right side
    31,725,382.12x = 786,976,822,901,401.62
  5. Step 5: Solve for x
    x = 786,976,822,901,401.62/31,725,382.12
  6. Step 6: Final answer
    x = 24,805,905.25

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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.