Home / 16,129,754.46-22,258,993.86-8,787,564.72

Finding the Fourth Proportional to 16,129,754.46, 22,258,993.86 and 8,787,564.72

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Solution

The fourth proportional to 16,129,754.46, 22,258,993.86 and 8,787,564.72 is: 12,126,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,754.46 : 22,258,993.86 = 8,787,564.72 : x
  2. Step 2: Convert to fraction form
    16,129,754.46/22,258,993.86 = 8,787,564.72/x
  3. Step 3: Cross multiply
    16,129,754.46x = 22,258,993.86 × 8,787,564.72
  4. Step 4: Simplify right side
    16,129,754.46x = 195,602,349,146,832.62
  5. Step 5: Solve for x
    x = 195,602,349,146,832.62/16,129,754.46
  6. Step 6: Final answer
    x = 12,126,802.65

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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.