Home / 13,030,773.71-17,982,228.54-7,229,430.89

Finding the Fourth Proportional to 13,030,773.71, 17,982,228.54 and 7,229,430.89

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Solution

The fourth proportional to 13,030,773.71, 17,982,228.54 and 7,229,430.89 is: 9,976,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,773.71 : 17,982,228.54 = 7,229,430.89 : x
  2. Step 2: Convert to fraction form
    13,030,773.71/17,982,228.54 = 7,229,430.89/x
  3. Step 3: Cross multiply
    13,030,773.71x = 17,982,228.54 × 7,229,430.89
  4. Step 4: Simplify right side
    13,030,773.71x = 130,001,278,523,071.17
  5. Step 5: Solve for x
    x = 130,001,278,523,071.17/13,030,773.71
  6. Step 6: Final answer
    x = 9,976,481.94

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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.