Home / 23,035,041.53-31,788,162.42-12,721,543.19

Finding the Fourth Proportional to 23,035,041.53, 31,788,162.42 and 12,721,543.19

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Solution

The fourth proportional to 23,035,041.53, 31,788,162.42 and 12,721,543.19 is: 17,555,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,035,041.53 : 31,788,162.42 = 12,721,543.19 : x
  2. Step 2: Convert to fraction form
    23,035,041.53/31,788,162.42 = 12,721,543.19/x
  3. Step 3: Cross multiply
    23,035,041.53x = 31,788,162.42 × 12,721,543.19
  4. Step 4: Simplify right side
    23,035,041.53x = 404,394,481,069,324
  5. Step 5: Solve for x
    x = 404,394,481,069,324/23,035,041.53
  6. Step 6: Final answer
    x = 17,555,621.97

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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.