Home / 19,816,276.80-29,724,415.20-5,439,322.20

Finding the Fourth Proportional to 19,816,276.80, 29,724,415.20 and 5,439,322.20

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Solution

The fourth proportional to 19,816,276.80, 29,724,415.20 and 5,439,322.20 is: 8,158,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816,276.80 : 29,724,415.20 = 5,439,322.20 : x
  2. Step 2: Convert to fraction form
    19,816,276.80/29,724,415.20 = 5,439,322.20/x
  3. Step 3: Cross multiply
    19,816,276.80x = 29,724,415.20 × 5,439,322.20
  4. Step 4: Simplify right side
    19,816,276.80x = 161,680,671,479,377.44
  5. Step 5: Solve for x
    x = 161,680,671,479,377.44/19,816,276.80
  6. Step 6: Final answer
    x = 8,158,983.30

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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.