Home / 13,173,910-18,179,995.80-7,144,598

Finding the Fourth Proportional to 13,173,910, 18,179,995.80 and 7,144,598

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Solution

The fourth proportional to 13,173,910, 18,179,995.80 and 7,144,598 is: 9,859,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,910 : 18,179,995.80 = 7,144,598 : x
  2. Step 2: Convert to fraction form
    13,173,910/18,179,995.80 = 7,144,598/x
  3. Step 3: Cross multiply
    13,173,910x = 18,179,995.80 × 7,144,598
  4. Step 4: Simplify right side
    13,173,910x = 129,888,761,632,688.41
  5. Step 5: Solve for x
    x = 129,888,761,632,688.41/13,173,910
  6. Step 6: Final answer
    x = 9,859,545.24

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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.