Home / 16,129,751.77-22,258,990.72-8,787,562.35

Finding the Fourth Proportional to 16,129,751.77, 22,258,990.72 and 8,787,562.35

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Solution

The fourth proportional to 16,129,751.77, 22,258,990.72 and 8,787,562.35 is: 12,126,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,751.77 : 22,258,990.72 = 8,787,562.35 : x
  2. Step 2: Convert to fraction form
    16,129,751.77/22,258,990.72 = 8,787,562.35/x
  3. Step 3: Cross multiply
    16,129,751.77x = 22,258,990.72 × 8,787,562.35
  4. Step 4: Simplify right side
    16,129,751.77x = 195,602,268,800,071.38
  5. Step 5: Solve for x
    x = 195,602,268,800,071.38/16,129,751.77
  6. Step 6: Final answer
    x = 12,126,799.69

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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.