Home / 12,949,204.34-17,870,324.94-7,069,152.05

Finding the Fourth Proportional to 12,949,204.34, 17,870,324.94 and 7,069,152.05

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Solution

The fourth proportional to 12,949,204.34, 17,870,324.94 and 7,069,152.05 is: 9,755,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,204.34 : 17,870,324.94 = 7,069,152.05 : x
  2. Step 2: Convert to fraction form
    12,949,204.34/17,870,324.94 = 7,069,152.05/x
  3. Step 3: Cross multiply
    12,949,204.34x = 17,870,324.94 × 7,069,152.05
  4. Step 4: Simplify right side
    12,949,204.34x = 126,328,044,183,767.14
  5. Step 5: Solve for x
    x = 126,328,044,183,767.14/12,949,204.34
  6. Step 6: Final answer
    x = 9,755,660.72

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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.