Home / 20,854,068.03-28,779,523.56-11,561,046.57

Finding the Fourth Proportional to 20,854,068.03, 28,779,523.56 and 11,561,046.57

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Solution

The fourth proportional to 20,854,068.03, 28,779,523.56 and 11,561,046.57 is: 15,954,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,068.03 : 28,779,523.56 = 11,561,046.57 : x
  2. Step 2: Convert to fraction form
    20,854,068.03/28,779,523.56 = 11,561,046.57/x
  3. Step 3: Cross multiply
    20,854,068.03x = 28,779,523.56 × 11,561,046.57
  4. Step 4: Simplify right side
    20,854,068.03x = 332,721,412,139,572.19
  5. Step 5: Solve for x
    x = 332,721,412,139,572.19/20,854,068.03
  6. Step 6: Final answer
    x = 15,954,748.57

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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.