Home / 8,756,401.20-13,134,601.80-3,077,199.60

Finding the Fourth Proportional to 8,756,401.20, 13,134,601.80 and 3,077,199.60

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Solution

The fourth proportional to 8,756,401.20, 13,134,601.80 and 3,077,199.60 is: 4,615,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,401.20 : 13,134,601.80 = 3,077,199.60 : x
  2. Step 2: Convert to fraction form
    8,756,401.20/13,134,601.80 = 3,077,199.60/x
  3. Step 3: Cross multiply
    8,756,401.20x = 13,134,601.80 × 3,077,199.60
  4. Step 4: Simplify right side
    8,756,401.20x = 40,417,791,405,119.28
  5. Step 5: Solve for x
    x = 40,417,791,405,119.28/8,756,401.20
  6. Step 6: Final answer
    x = 4,615,799.40

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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.