Home / 47,321,862.80-70,986,384.62-12,777,761.85

Finding the Fourth Proportional to 47,321,862.80, 70,986,384.62 and 12,777,761.85

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Solution

The fourth proportional to 47,321,862.80, 70,986,384.62 and 12,777,761.85 is: 19,167,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321,862.80 : 70,986,384.62 = 12,777,761.85 : x
  2. Step 2: Convert to fraction form
    47,321,862.80/70,986,384.62 = 12,777,761.85/x
  3. Step 3: Cross multiply
    47,321,862.80x = 70,986,384.62 × 12,777,761.85
  4. Step 4: Simplify right side
    47,321,862.80x = 907,047,117,202,973.88
  5. Step 5: Solve for x
    x = 907,047,117,202,973.88/47,321,862.80
  6. Step 6: Final answer
    x = 19,167,612.25

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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.