Home / 21,827,207.80-32,740,811.70-20,764,325.80

Finding the Fourth Proportional to 21,827,207.80, 32,740,811.70 and 20,764,325.80

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Solution

The fourth proportional to 21,827,207.80, 32,740,811.70 and 20,764,325.80 is: 31,146,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,207.80 : 32,740,811.70 = 20,764,325.80 : x
  2. Step 2: Convert to fraction form
    21,827,207.80/32,740,811.70 = 20,764,325.80/x
  3. Step 3: Cross multiply
    21,827,207.80x = 32,740,811.70 × 20,764,325.80
  4. Step 4: Simplify right side
    21,827,207.80x = 679,840,881,095,251.88
  5. Step 5: Solve for x
    x = 679,840,881,095,251.88/21,827,207.80
  6. Step 6: Final answer
    x = 31,146,488.70

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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.