Home / 10,292,154.15-15,438,143.04-2,615,821.07

Finding the Fourth Proportional to 10,292,154.15, 15,438,143.04 and 2,615,821.07

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Solution

The fourth proportional to 10,292,154.15, 15,438,143.04 and 2,615,821.07 is: 3,923,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292,154.15 : 15,438,143.04 = 2,615,821.07 : x
  2. Step 2: Convert to fraction form
    10,292,154.15/15,438,143.04 = 2,615,821.07/x
  3. Step 3: Cross multiply
    10,292,154.15x = 15,438,143.04 × 2,615,821.07
  4. Step 4: Simplify right side
    10,292,154.15x = 40,383,419,758,705.81
  5. Step 5: Solve for x
    x = 40,383,419,758,705.81/10,292,154.15
  6. Step 6: Final answer
    x = 3,923,709.18

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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.