Home / 12,187,537.69-16,818,561.53-6,680,924.41

Finding the Fourth Proportional to 12,187,537.69, 16,818,561.53 and 6,680,924.41

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Solution

The fourth proportional to 12,187,537.69, 16,818,561.53 and 6,680,924.41 is: 9,219,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,537.69 : 16,818,561.53 = 6,680,924.41 : x
  2. Step 2: Convert to fraction form
    12,187,537.69/16,818,561.53 = 6,680,924.41/x
  3. Step 3: Cross multiply
    12,187,537.69x = 16,818,561.53 × 6,680,924.41
  4. Step 4: Simplify right side
    12,187,537.69x = 112,363,538,149,366.52
  5. Step 5: Solve for x
    x = 112,363,538,149,366.52/12,187,537.69
  6. Step 6: Final answer
    x = 9,219,543.85

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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.