Home / 20,896,097.22-28,835,032.19-11,726,968.50

Finding the Fourth Proportional to 20,896,097.22, 28,835,032.19 and 11,726,968.50

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Solution

The fourth proportional to 20,896,097.22, 28,835,032.19 and 11,726,968.50 is: 16,182,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,097.22 : 28,835,032.19 = 11,726,968.50 : x
  2. Step 2: Convert to fraction form
    20,896,097.22/28,835,032.19 = 11,726,968.50/x
  3. Step 3: Cross multiply
    20,896,097.22x = 28,835,032.19 × 11,726,968.50
  4. Step 4: Simplify right side
    20,896,097.22x = 338,147,514,129,981.19
  5. Step 5: Solve for x
    x = 338,147,514,129,981.19/20,896,097.22
  6. Step 6: Final answer
    x = 16,182,328.72

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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.