Home / 21,952,095.80-32,928,143.70-20,720,377.40

Finding the Fourth Proportional to 21,952,095.80, 32,928,143.70 and 20,720,377.40

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Solution

The fourth proportional to 21,952,095.80, 32,928,143.70 and 20,720,377.40 is: 31,080,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,095.80 : 32,928,143.70 = 20,720,377.40 : x
  2. Step 2: Convert to fraction form
    21,952,095.80/32,928,143.70 = 20,720,377.40/x
  3. Step 3: Cross multiply
    21,952,095.80x = 32,928,143.70 × 20,720,377.40
  4. Step 4: Simplify right side
    21,952,095.80x = 682,283,564,545,432.38
  5. Step 5: Solve for x
    x = 682,283,564,545,432.38/21,952,095.80
  6. Step 6: Final answer
    x = 31,080,566.10

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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.