Home / 9,289,412.73-12,819,034.97-5,159,708.76

Finding the Fourth Proportional to 9,289,412.73, 12,819,034.97 and 5,159,708.76

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Solution

The fourth proportional to 9,289,412.73, 12,819,034.97 and 5,159,708.76 is: 7,120,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,412.73 : 12,819,034.97 = 5,159,708.76 : x
  2. Step 2: Convert to fraction form
    9,289,412.73/12,819,034.97 = 5,159,708.76/x
  3. Step 3: Cross multiply
    9,289,412.73x = 12,819,034.97 × 5,159,708.76
  4. Step 4: Simplify right side
    9,289,412.73x = 66,142,486,984,455.74
  5. Step 5: Solve for x
    x = 66,142,486,984,455.74/9,289,412.73
  6. Step 6: Final answer
    x = 7,120,201.12

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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.