Home / 51,221,515.80-76,806,008.10-15,315,058.20

Finding the Fourth Proportional to 51,221,515.80, 76,806,008.10 and 15,315,058.20

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Solution

The fourth proportional to 51,221,515.80, 76,806,008.10 and 15,315,058.20 is: 22,964,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221,515.80 : 76,806,008.10 = 15,315,058.20 : x
  2. Step 2: Convert to fraction form
    51,221,515.80/76,806,008.10 = 15,315,058.20/x
  3. Step 3: Cross multiply
    51,221,515.80x = 76,806,008.10 × 15,315,058.20
  4. Step 4: Simplify right side
    51,221,515.80x = 1,176,288,484,161,171.25
  5. Step 5: Solve for x
    x = 1,176,288,484,161,171.25/51,221,515.80
  6. Step 6: Final answer
    x = 22,964,733.98

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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.