Home / 9,306,346.66-12,842,573.86-5,176,289.19

Finding the Fourth Proportional to 9,306,346.66, 12,842,573.86 and 5,176,289.19

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Solution

The fourth proportional to 9,306,346.66, 12,842,573.86 and 5,176,289.19 is: 7,143,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,346.66 : 12,842,573.86 = 5,176,289.19 : x
  2. Step 2: Convert to fraction form
    9,306,346.66/12,842,573.86 = 5,176,289.19/x
  3. Step 3: Cross multiply
    9,306,346.66x = 12,842,573.86 × 5,176,289.19
  4. Step 4: Simplify right side
    9,306,346.66x = 66,476,876,243,294.58
  5. Step 5: Solve for x
    x = 66,476,876,243,294.58/9,306,346.66
  6. Step 6: Final answer
    x = 7,143,176.44

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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.