Home / 20,832,231.14-28,748,708.93-11,539,943.57

Finding the Fourth Proportional to 20,832,231.14, 28,748,708.93 and 11,539,943.57

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Solution

The fourth proportional to 20,832,231.14, 28,748,708.93 and 11,539,943.57 is: 15,925,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,231.14 : 28,748,708.93 = 11,539,943.57 : x
  2. Step 2: Convert to fraction form
    20,832,231.14/28,748,708.93 = 11,539,943.57/x
  3. Step 3: Cross multiply
    20,832,231.14x = 28,748,708.93 × 11,539,943.57
  4. Step 4: Simplify right side
    20,832,231.14x = 331,758,478,863,276.69
  5. Step 5: Solve for x
    x = 331,758,478,863,276.69/20,832,231.14
  6. Step 6: Final answer
    x = 15,925,249.52

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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.