Home / 39,442,849.56-59,170,631.84-12,149,129.64

Finding the Fourth Proportional to 39,442,849.56, 59,170,631.84 and 12,149,129.64

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Solution

The fourth proportional to 39,442,849.56, 59,170,631.84 and 12,149,129.64 is: 18,225,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442,849.56 : 59,170,631.84 = 12,149,129.64 : x
  2. Step 2: Convert to fraction form
    39,442,849.56/59,170,631.84 = 12,149,129.64/x
  3. Step 3: Cross multiply
    39,442,849.56x = 59,170,631.84 × 12,149,129.64
  4. Step 4: Simplify right side
    39,442,849.56x = 718,871,677,104,871.88
  5. Step 5: Solve for x
    x = 718,871,677,104,871.88/39,442,849.56
  6. Step 6: Final answer
    x = 18,225,652.69

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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.