Home / 10,867,271.10-16,300,906.65-7,678,625.10

Finding the Fourth Proportional to 10,867,271.10, 16,300,906.65 and 7,678,625.10

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Solution

The fourth proportional to 10,867,271.10, 16,300,906.65 and 7,678,625.10 is: 11,517,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,271.10 : 16,300,906.65 = 7,678,625.10 : x
  2. Step 2: Convert to fraction form
    10,867,271.10/16,300,906.65 = 7,678,625.10/x
  3. Step 3: Cross multiply
    10,867,271.10x = 16,300,906.65 × 7,678,625.10
  4. Step 4: Simplify right side
    10,867,271.10x = 125,168,550,955,446.91
  5. Step 5: Solve for x
    x = 125,168,550,955,446.91/10,867,271.10
  6. Step 6: Final answer
    x = 11,517,937.65

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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.