Home / 12,292,632.60-18,438,948.90-5,915,340.60

Finding the Fourth Proportional to 12,292,632.60, 18,438,948.90 and 5,915,340.60

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Solution

The fourth proportional to 12,292,632.60, 18,438,948.90 and 5,915,340.60 is: 8,873,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,632.60 : 18,438,948.90 = 5,915,340.60 : x
  2. Step 2: Convert to fraction form
    12,292,632.60/18,438,948.90 = 5,915,340.60/x
  3. Step 3: Cross multiply
    12,292,632.60x = 18,438,948.90 × 5,915,340.60
  4. Step 4: Simplify right side
    12,292,632.60x = 109,072,663,049,495.33
  5. Step 5: Solve for x
    x = 109,072,663,049,495.33/12,292,632.60
  6. Step 6: Final answer
    x = 8,873,010.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.