Home / 12,078,011.90-16,668,115.17-6,922,368.38

Finding the Fourth Proportional to 12,078,011.90, 16,668,115.17 and 6,922,368.38

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Solution

The fourth proportional to 12,078,011.90, 16,668,115.17 and 6,922,368.38 is: 9,553,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,011.90 : 16,668,115.17 = 6,922,368.38 : x
  2. Step 2: Convert to fraction form
    12,078,011.90/16,668,115.17 = 6,922,368.38/x
  3. Step 3: Cross multiply
    12,078,011.90x = 16,668,115.17 × 6,922,368.38
  4. Step 4: Simplify right side
    12,078,011.90x = 115,382,833,407,006.33
  5. Step 5: Solve for x
    x = 115,382,833,407,006.33/12,078,011.90
  6. Step 6: Final answer
    x = 9,553,131.29

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1.5x scale

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.