Home / 31,927,204.80-47,890,807.20-19,162,123.20

Finding the Fourth Proportional to 31,927,204.80, 47,890,807.20 and 19,162,123.20

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Solution

The fourth proportional to 31,927,204.80, 47,890,807.20 and 19,162,123.20 is: 28,743,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927,204.80 : 47,890,807.20 = 19,162,123.20 : x
  2. Step 2: Convert to fraction form
    31,927,204.80/47,890,807.20 = 19,162,123.20/x
  3. Step 3: Cross multiply
    31,927,204.80x = 47,890,807.20 × 19,162,123.20
  4. Step 4: Simplify right side
    31,927,204.80x = 917,689,547,713,847
  5. Step 5: Solve for x
    x = 917,689,547,713,847/31,927,204.80
  6. Step 6: Final answer
    x = 28,743,184.80

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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.