Home / 20,745,637.68-28,632,726.54-12,373,543.56

Finding the Fourth Proportional to 20,745,637.68, 28,632,726.54 and 12,373,543.56

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Solution

The fourth proportional to 20,745,637.68, 28,632,726.54 and 12,373,543.56 is: 17,077,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,637.68 : 28,632,726.54 = 12,373,543.56 : x
  2. Step 2: Convert to fraction form
    20,745,637.68/28,632,726.54 = 12,373,543.56/x
  3. Step 3: Cross multiply
    20,745,637.68x = 28,632,726.54 × 12,373,543.56
  4. Step 4: Simplify right side
    20,745,637.68x = 354,288,289,084,258.06
  5. Step 5: Solve for x
    x = 354,288,289,084,258.06/20,745,637.68
  6. Step 6: Final answer
    x = 17,077,724.70

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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.