Home / 12,870,094.92-17,761,826.31-7,289,334.14

Finding the Fourth Proportional to 12,870,094.92, 17,761,826.31 and 7,289,334.14

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Solution

The fourth proportional to 12,870,094.92, 17,761,826.31 and 7,289,334.14 is: 10,059,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,094.92 : 17,761,826.31 = 7,289,334.14 : x
  2. Step 2: Convert to fraction form
    12,870,094.92/17,761,826.31 = 7,289,334.14/x
  3. Step 3: Cross multiply
    12,870,094.92x = 17,761,826.31 × 7,289,334.14
  4. Step 4: Simplify right side
    12,870,094.92x = 129,471,886,910,233.20
  5. Step 5: Solve for x
    x = 129,471,886,910,233.20/12,870,094.92
  6. Step 6: Final answer
    x = 10,059,901.48

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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.