Home / 10,215,124.69-15,284,838.26-8,187,218.00

Finding the Fourth Proportional to 10,215,124.69, 15,284,838.26 and 8,187,218.00

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Solution

The fourth proportional to 10,215,124.69, 15,284,838.26 and 8,187,218.00 is: 12,250,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,124.69 : 15,284,838.26 = 8,187,218.00 : x
  2. Step 2: Convert to fraction form
    10,215,124.69/15,284,838.26 = 8,187,218.00/x
  3. Step 3: Cross multiply
    10,215,124.69x = 15,284,838.26 × 8,187,218.00
  4. Step 4: Simplify right side
    10,215,124.69x = 125,140,302,988,040.83
  5. Step 5: Solve for x
    x = 125,140,302,988,040.83/10,215,124.69
  6. Step 6: Final answer
    x = 12,250,491.97

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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.