Home / 6,438,141.04-9,665,406.20-4,173,143.40

Finding the Fourth Proportional to 6,438,141.04, 9,665,406.20 and 4,173,143.40

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Solution

The fourth proportional to 6,438,141.04, 9,665,406.20 and 4,173,143.40 is: 6,265,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,141.04 : 9,665,406.20 = 4,173,143.40 : x
  2. Step 2: Convert to fraction form
    6,438,141.04/9,665,406.20 = 4,173,143.40/x
  3. Step 3: Cross multiply
    6,438,141.04x = 9,665,406.20 × 4,173,143.40
  4. Step 4: Simplify right side
    6,438,141.04x = 40,335,126,091,849.08
  5. Step 5: Solve for x
    x = 40,335,126,091,849.08/6,438,141.04
  6. Step 6: Final answer
    x = 6,265,026.79

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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.