Home / 6,861,959.20-10,292,938.80-5,158,842.40

Finding the Fourth Proportional to 6,861,959.20, 10,292,938.80 and 5,158,842.40

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Solution

The fourth proportional to 6,861,959.20, 10,292,938.80 and 5,158,842.40 is: 7,738,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861,959.20 : 10,292,938.80 = 5,158,842.40 : x
  2. Step 2: Convert to fraction form
    6,861,959.20/10,292,938.80 = 5,158,842.40/x
  3. Step 3: Cross multiply
    6,861,959.20x = 10,292,938.80 × 5,158,842.40
  4. Step 4: Simplify right side
    6,861,959.20x = 53,099,649,102,045.12
  5. Step 5: Solve for x
    x = 53,099,649,102,045.12/6,861,959.20
  6. Step 6: Final answer
    x = 7,738,263.60

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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.