Home / 12,479,221.29-18,804,011.83-10,254,580.22

Finding the Fourth Proportional to 12,479,221.29, 18,804,011.83 and 10,254,580.22

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Solution

The fourth proportional to 12,479,221.29, 18,804,011.83 and 10,254,580.22 is: 15,451,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,221.29 : 18,804,011.83 = 10,254,580.22 : x
  2. Step 2: Convert to fraction form
    12,479,221.29/18,804,011.83 = 10,254,580.22/x
  3. Step 3: Cross multiply
    12,479,221.29x = 18,804,011.83 × 10,254,580.22
  4. Step 4: Simplify right side
    12,479,221.29x = 192,827,247,789,937.59
  5. Step 5: Solve for x
    x = 192,827,247,789,937.59/12,479,221.29
  6. Step 6: Final answer
    x = 15,451,865.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.