Home / 10,649,177.20-15,973,765.80-3,076,908.40

Finding the Fourth Proportional to 10,649,177.20, 15,973,765.80 and 3,076,908.40

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Solution

The fourth proportional to 10,649,177.20, 15,973,765.80 and 3,076,908.40 is: 4,615,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,177.20 : 15,973,765.80 = 3,076,908.40 : x
  2. Step 2: Convert to fraction form
    10,649,177.20/15,973,765.80 = 3,076,908.40/x
  3. Step 3: Cross multiply
    10,649,177.20x = 15,973,765.80 × 3,076,908.40
  4. Step 4: Simplify right side
    10,649,177.20x = 49,149,814,169,652.72
  5. Step 5: Solve for x
    x = 49,149,814,169,652.72/10,649,177.20
  6. Step 6: Final answer
    x = 4,615,362.60

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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.