Home / 42,645,581.43-63,968,322.47-13,891,670.61

Finding the Fourth Proportional to 42,645,581.43, 63,968,322.47 and 13,891,670.61

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Solution

The fourth proportional to 42,645,581.43, 63,968,322.47 and 13,891,670.61 is: 20,837,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645,581.43 : 63,968,322.47 = 13,891,670.61 : x
  2. Step 2: Convert to fraction form
    42,645,581.43/63,968,322.47 = 13,891,670.61/x
  3. Step 3: Cross multiply
    42,645,581.43x = 63,968,322.47 × 13,891,670.61
  4. Step 4: Simplify right side
    42,645,581.43x = 888,626,865,158,043.25
  5. Step 5: Solve for x
    x = 888,626,865,158,043.25/42,645,581.43
  6. Step 6: Final answer
    x = 20,837,489.73

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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.