Home / 40,500,822.12-55,891,282.65-21,915,962.38

Finding the Fourth Proportional to 40,500,822.12, 55,891,282.65 and 21,915,962.38

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Solution

The fourth proportional to 40,500,822.12, 55,891,282.65 and 21,915,962.38 is: 30,244,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,822.12 : 55,891,282.65 = 21,915,962.38 : x
  2. Step 2: Convert to fraction form
    40,500,822.12/55,891,282.65 = 21,915,962.38/x
  3. Step 3: Cross multiply
    40,500,822.12x = 55,891,282.65 × 21,915,962.38
  4. Step 4: Simplify right side
    40,500,822.12x = 1,224,911,247,915,026
  5. Step 5: Solve for x
    x = 1,224,911,247,915,026/40,500,822.12
  6. Step 6: Final answer
    x = 30,244,108.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.