Home / 31,386,728.43-47,080,243.31-9,527,296.50

Finding the Fourth Proportional to 31,386,728.43, 47,080,243.31 and 9,527,296.50

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Solution

The fourth proportional to 31,386,728.43, 47,080,243.31 and 9,527,296.50 is: 14,290,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386,728.43 : 47,080,243.31 = 9,527,296.50 : x
  2. Step 2: Convert to fraction form
    31,386,728.43/47,080,243.31 = 9,527,296.50/x
  3. Step 3: Cross multiply
    31,386,728.43x = 47,080,243.31 × 9,527,296.50
  4. Step 4: Simplify right side
    31,386,728.43x = 448,547,437,258,874.94
  5. Step 5: Solve for x
    x = 448,547,437,258,874.94/31,386,728.43
  6. Step 6: Final answer
    x = 14,290,990.48

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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.