Home / 12,187,537.19-16,818,560.84-6,680,923.91

Finding the Fourth Proportional to 12,187,537.19, 16,818,560.84 and 6,680,923.91

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Solution

The fourth proportional to 12,187,537.19, 16,818,560.84 and 6,680,923.91 is: 9,219,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,537.19 : 16,818,560.84 = 6,680,923.91 : x
  2. Step 2: Convert to fraction form
    12,187,537.19/16,818,560.84 = 6,680,923.91/x
  3. Step 3: Cross multiply
    12,187,537.19x = 16,818,560.84 × 6,680,923.91
  4. Step 4: Simplify right side
    12,187,537.19x = 112,363,525,130,248.27
  5. Step 5: Solve for x
    x = 112,363,525,130,248.27/12,187,537.19
  6. Step 6: Final answer
    x = 9,219,543.16

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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.