Home / 15,171,703.20-22,757,554.80-12,479,068.80

Finding the Fourth Proportional to 15,171,703.20, 22,757,554.80 and 12,479,068.80

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Solution

The fourth proportional to 15,171,703.20, 22,757,554.80 and 12,479,068.80 is: 18,718,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,703.20 : 22,757,554.80 = 12,479,068.80 : x
  2. Step 2: Convert to fraction form
    15,171,703.20/22,757,554.80 = 12,479,068.80/x
  3. Step 3: Cross multiply
    15,171,703.20x = 22,757,554.80 × 12,479,068.80
  4. Step 4: Simplify right side
    15,171,703.20x = 283,993,092,068,970.25
  5. Step 5: Solve for x
    x = 283,993,092,068,970.25/15,171,703.20
  6. Step 6: Final answer
    x = 18,718,603.20

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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.