Home / 12,077,987.87-16,668,084.14-6,922,346.78

Finding the Fourth Proportional to 12,077,987.87, 16,668,084.14 and 6,922,346.78

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Solution

The fourth proportional to 12,077,987.87, 16,668,084.14 and 6,922,346.78 is: 9,553,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,987.87 : 16,668,084.14 = 6,922,346.78 : x
  2. Step 2: Convert to fraction form
    12,077,987.87/16,668,084.14 = 6,922,346.78/x
  3. Step 3: Cross multiply
    12,077,987.87x = 16,668,084.14 × 6,922,346.78
  4. Step 4: Simplify right side
    12,077,987.87x = 115,382,258,457,345.92
  5. Step 5: Solve for x
    x = 115,382,258,457,345.92/12,077,987.87
  6. Step 6: Final answer
    x = 9,553,102.70

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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.