Home / 15,207,949.44-20,983,703.04-9,014,947.20

Finding the Fourth Proportional to 15,207,949.44, 20,983,703.04 and 9,014,947.20

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Solution

The fourth proportional to 15,207,949.44, 20,983,703.04 and 9,014,947.20 is: 12,438,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207,949.44 : 20,983,703.04 = 9,014,947.20 : x
  2. Step 2: Convert to fraction form
    15,207,949.44/20,983,703.04 = 9,014,947.20/x
  3. Step 3: Cross multiply
    15,207,949.44x = 20,983,703.04 × 9,014,947.20
  4. Step 4: Simplify right side
    15,207,949.44x = 189,166,974,966,079.47
  5. Step 5: Solve for x
    x = 189,166,974,966,079.47/15,207,949.44
  6. Step 6: Final answer
    x = 12,438,690.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.