Home / 47,648,760.47-71,292,776.78-28,228,409.65

Finding the Fourth Proportional to 47,648,760.47, 71,292,776.78 and 28,228,409.65

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Solution

The fourth proportional to 47,648,760.47, 71,292,776.78 and 28,228,409.65 is: 42,235,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648,760.47 : 71,292,776.78 = 28,228,409.65 : x
  2. Step 2: Convert to fraction form
    47,648,760.47/71,292,776.78 = 28,228,409.65/x
  3. Step 3: Cross multiply
    47,648,760.47x = 71,292,776.78 × 28,228,409.65
  4. Step 4: Simplify right side
    47,648,760.47x = 2,012,481,708,031,847.75
  5. Step 5: Solve for x
    x = 2,012,481,708,031,847.75/47,648,760.47
  6. Step 6: Final answer
    x = 42,235,762.03

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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.