Home / 28,468,998.40-42,703,497.60-27,146,300.80

Finding the Fourth Proportional to 28,468,998.40, 42,703,497.60 and 27,146,300.80

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Solution

The fourth proportional to 28,468,998.40, 42,703,497.60 and 27,146,300.80 is: 40,719,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468,998.40 : 42,703,497.60 = 27,146,300.80 : x
  2. Step 2: Convert to fraction form
    28,468,998.40/42,703,497.60 = 27,146,300.80/x
  3. Step 3: Cross multiply
    28,468,998.40x = 42,703,497.60 × 27,146,300.80
  4. Step 4: Simplify right side
    28,468,998.40x = 1,159,241,991,061,678.25
  5. Step 5: Solve for x
    x = 1,159,241,991,061,678.25/28,468,998.40
  6. Step 6: Final answer
    x = 40,719,451.20

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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.