Home / 10,278,105.60-15,401,145.60-3,884,870.40

Finding the Fourth Proportional to 10,278,105.60, 15,401,145.60 and 3,884,870.40

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Solution

The fourth proportional to 10,278,105.60, 15,401,145.60 and 3,884,870.40 is: 5,821,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,105.60 : 15,401,145.60 = 3,884,870.40 : x
  2. Step 2: Convert to fraction form
    10,278,105.60/15,401,145.60 = 3,884,870.40/x
  3. Step 3: Cross multiply
    10,278,105.60x = 15,401,145.60 × 3,884,870.40
  4. Step 4: Simplify right side
    10,278,105.60x = 59,831,454,667,530.23
  5. Step 5: Solve for x
    x = 59,831,454,667,530.23/10,278,105.60
  6. Step 6: Final answer
    x = 5,821,253.16

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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.