Home / 31,949,288.20-47,895,938.70-19,174,875.40

Finding the Fourth Proportional to 31,949,288.20, 47,895,938.70 and 19,174,875.40

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Solution

The fourth proportional to 31,949,288.20, 47,895,938.70 and 19,174,875.40 is: 28,745,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949,288.20 : 47,895,938.70 = 19,174,875.40 : x
  2. Step 2: Convert to fraction form
    31,949,288.20/47,895,938.70 = 19,174,875.40/x
  3. Step 3: Cross multiply
    31,949,288.20x = 47,895,938.70 × 19,174,875.40
  4. Step 4: Simplify right side
    31,949,288.20x = 918,398,656,738,538
  5. Step 5: Solve for x
    x = 918,398,656,738,538/31,949,288.20
  6. Step 6: Final answer
    x = 28,745,512.29

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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.