Home / 31,811,470.34-47,713,632.12-8,785,678.28

Finding the Fourth Proportional to 31,811,470.34, 47,713,632.12 and 8,785,678.28

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Solution

The fourth proportional to 31,811,470.34, 47,713,632.12 and 8,785,678.28 is: 13,177,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811,470.34 : 47,713,632.12 = 8,785,678.28 : x
  2. Step 2: Convert to fraction form
    31,811,470.34/47,713,632.12 = 8,785,678.28/x
  3. Step 3: Cross multiply
    31,811,470.34x = 47,713,632.12 × 8,785,678.28
  4. Step 4: Simplify right side
    31,811,470.34x = 419,196,621,376,594.31
  5. Step 5: Solve for x
    x = 419,196,621,376,594.31/31,811,470.34
  6. Step 6: Final answer
    x = 13,177,530.52

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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.