Home / 49,276,750.72-73,862,871.12-18,971,501.44

Finding the Fourth Proportional to 49,276,750.72, 73,862,871.12 and 18,971,501.44

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Solution

The fourth proportional to 49,276,750.72, 73,862,871.12 and 18,971,501.44 is: 28,437,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,276,750.72 : 73,862,871.12 = 18,971,501.44 : x
  2. Step 2: Convert to fraction form
    49,276,750.72/73,862,871.12 = 18,971,501.44/x
  3. Step 3: Cross multiply
    49,276,750.72x = 73,862,871.12 × 18,971,501.44
  4. Step 4: Simplify right side
    49,276,750.72x = 1,401,289,565,815,614.50
  5. Step 5: Solve for x
    x = 1,401,289,565,815,614.50/49,276,750.72
  6. Step 6: Final answer
    x = 28,437,134.05

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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.