Home / 10,508,945.15-15,763,886.72-3,221,880.59

Finding the Fourth Proportional to 10,508,945.15, 15,763,886.72 and 3,221,880.59

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Solution

The fourth proportional to 10,508,945.15, 15,763,886.72 and 3,221,880.59 is: 4,832,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508,945.15 : 15,763,886.72 = 3,221,880.59 : x
  2. Step 2: Convert to fraction form
    10,508,945.15/15,763,886.72 = 3,221,880.59/x
  3. Step 3: Cross multiply
    10,508,945.15x = 15,763,886.72 × 3,221,880.59
  4. Step 4: Simplify right side
    10,508,945.15x = 50,789,360,551,197.93
  5. Step 5: Solve for x
    x = 50,789,360,551,197.93/10,508,945.15
  6. Step 6: Final answer
    x = 4,832,964.66

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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.