Home / 31,631,454.72-47,398,106.52-21,934,981.44

Finding the Fourth Proportional to 31,631,454.72, 47,398,106.52 and 21,934,981.44

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Solution

The fourth proportional to 31,631,454.72, 47,398,106.52 and 21,934,981.44 is: 32,868,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631,454.72 : 47,398,106.52 = 21,934,981.44 : x
  2. Step 2: Convert to fraction form
    31,631,454.72/47,398,106.52 = 21,934,981.44/x
  3. Step 3: Cross multiply
    31,631,454.72x = 47,398,106.52 × 21,934,981.44
  4. Step 4: Simplify right side
    31,631,454.72x = 1,039,676,586,807,343.12
  5. Step 5: Solve for x
    x = 1,039,676,586,807,343.12/31,631,454.72
  6. Step 6: Final answer
    x = 32,868,440.48

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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.