Home / 19,471,210.80-29,206,816.20-8,688,490.80

Finding the Fourth Proportional to 19,471,210.80, 29,206,816.20 and 8,688,490.80

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Solution

The fourth proportional to 19,471,210.80, 29,206,816.20 and 8,688,490.80 is: 13,032,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471,210.80 : 29,206,816.20 = 8,688,490.80 : x
  2. Step 2: Convert to fraction form
    19,471,210.80/29,206,816.20 = 8,688,490.80/x
  3. Step 3: Cross multiply
    19,471,210.80x = 29,206,816.20 × 8,688,490.80
  4. Step 4: Simplify right side
    19,471,210.80x = 253,763,153,850,990.97
  5. Step 5: Solve for x
    x = 253,763,153,850,990.97/19,471,210.80
  6. Step 6: Final answer
    x = 13,032,736.20

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Similar ratio
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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.