Home / 13,042,821.60-19,564,232.40-8,234,920.80

Finding the Fourth Proportional to 13,042,821.60, 19,564,232.40 and 8,234,920.80

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Solution

The fourth proportional to 13,042,821.60, 19,564,232.40 and 8,234,920.80 is: 12,352,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,821.60 : 19,564,232.40 = 8,234,920.80 : x
  2. Step 2: Convert to fraction form
    13,042,821.60/19,564,232.40 = 8,234,920.80/x
  3. Step 3: Cross multiply
    13,042,821.60x = 19,564,232.40 × 8,234,920.80
  4. Step 4: Simplify right side
    13,042,821.60x = 161,109,904,326,793.91
  5. Step 5: Solve for x
    x = 161,109,904,326,793.91/13,042,821.60
  6. Step 6: Final answer
    x = 12,352,381.20

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1.5x scale

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.