Home / 10,867,272.10-16,300,908.15-7,678,626.10

Finding the Fourth Proportional to 10,867,272.10, 16,300,908.15 and 7,678,626.10

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Solution

The fourth proportional to 10,867,272.10, 16,300,908.15 and 7,678,626.10 is: 11,517,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,272.10 : 16,300,908.15 = 7,678,626.10 : x
  2. Step 2: Convert to fraction form
    10,867,272.10/16,300,908.15 = 7,678,626.10/x
  3. Step 3: Cross multiply
    10,867,272.10x = 16,300,908.15 × 7,678,626.10
  4. Step 4: Simplify right side
    10,867,272.10x = 125,168,578,774,292.72
  5. Step 5: Solve for x
    x = 125,168,578,774,292.72/10,867,272.10
  6. Step 6: Final answer
    x = 11,517,939.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.