Home / 12,078,010.90-16,668,113.79-6,922,367.38

Finding the Fourth Proportional to 12,078,010.90, 16,668,113.79 and 6,922,367.38

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Solution

The fourth proportional to 12,078,010.90, 16,668,113.79 and 6,922,367.38 is: 9,553,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,010.90 : 16,668,113.79 = 6,922,367.38 : x
  2. Step 2: Convert to fraction form
    12,078,010.90/16,668,113.79 = 6,922,367.38/x
  3. Step 3: Cross multiply
    12,078,010.90x = 16,668,113.79 × 6,922,367.38
  4. Step 4: Simplify right side
    12,078,010.90x = 115,382,807,186,024.16
  5. Step 5: Solve for x
    x = 115,382,807,186,024.16/12,078,010.90
  6. Step 6: Final answer
    x = 9,553,129.91

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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.