Home / 15,921,139.14-21,971,237.04-9,045,998.46

Finding the Fourth Proportional to 15,921,139.14, 21,971,237.04 and 9,045,998.46

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Solution

The fourth proportional to 15,921,139.14, 21,971,237.04 and 9,045,998.46 is: 12,483,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,139.14 : 21,971,237.04 = 9,045,998.46 : x
  2. Step 2: Convert to fraction form
    15,921,139.14/21,971,237.04 = 9,045,998.46/x
  3. Step 3: Cross multiply
    15,921,139.14x = 21,971,237.04 × 9,045,998.46
  4. Step 4: Simplify right side
    15,921,139.14x = 198,751,776,428,134.97
  5. Step 5: Solve for x
    x = 198,751,776,428,134.97/15,921,139.14
  6. Step 6: Final answer
    x = 12,483,514.82

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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.