Home / 42,507,772.55-58,678,825.78-28,577,207.23

Finding the Fourth Proportional to 42,507,772.55, 58,678,825.78 and 28,577,207.23

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Solution

The fourth proportional to 42,507,772.55, 58,678,825.78 and 28,577,207.23 is: 39,448,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507,772.55 : 58,678,825.78 = 28,577,207.23 : x
  2. Step 2: Convert to fraction form
    42,507,772.55/58,678,825.78 = 28,577,207.23/x
  3. Step 3: Cross multiply
    42,507,772.55x = 58,678,825.78 × 28,577,207.23
  4. Step 4: Simplify right side
    42,507,772.55x = 1,676,876,964,217,150.75
  5. Step 5: Solve for x
    x = 1,676,876,964,217,150.75/42,507,772.55
  6. Step 6: Final answer
    x = 39,448,714.05

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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.