Home / 7,129,114.20-10,692,359.10-4,428,606.60

Finding the Fourth Proportional to 7,129,114.20, 10,692,359.10 and 4,428,606.60

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Solution

The fourth proportional to 7,129,114.20, 10,692,359.10 and 4,428,606.60 is: 6,642,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,114.20 : 10,692,359.10 = 4,428,606.60 : x
  2. Step 2: Convert to fraction form
    7,129,114.20/10,692,359.10 = 4,428,606.60/x
  3. Step 3: Cross multiply
    7,129,114.20x = 10,692,359.10 × 4,428,606.60
  4. Step 4: Simplify right side
    7,129,114.20x = 47,352,252,079,830.05
  5. Step 5: Solve for x
    x = 47,352,252,079,830.05/7,129,114.20
  6. Step 6: Final answer
    x = 6,642,094.76

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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.