Home / 15,781,370.60-21,793,331.96-14,921,603.83

Finding the Fourth Proportional to 15,781,370.60, 21,793,331.96 and 14,921,603.83

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Solution

The fourth proportional to 15,781,370.60, 21,793,331.96 and 14,921,603.83 is: 20,606,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,370.60 : 21,793,331.96 = 14,921,603.83 : x
  2. Step 2: Convert to fraction form
    15,781,370.60/21,793,331.96 = 14,921,603.83/x
  3. Step 3: Cross multiply
    15,781,370.60x = 21,793,331.96 × 14,921,603.83
  4. Step 4: Simplify right side
    15,781,370.60x = 325,191,465,642,797.44
  5. Step 5: Solve for x
    x = 325,191,465,642,797.44/15,781,370.60
  6. Step 6: Final answer
    x = 20,606,034.41

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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.