Home / 7,781,065.13-11,672,157.51-2,988,754.61

Finding the Fourth Proportional to 7,781,065.13, 11,672,157.51 and 2,988,754.61

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Solution

The fourth proportional to 7,781,065.13, 11,672,157.51 and 2,988,754.61 is: 4,483,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,065.13 : 11,672,157.51 = 2,988,754.61 : x
  2. Step 2: Convert to fraction form
    7,781,065.13/11,672,157.51 = 2,988,754.61/x
  3. Step 3: Cross multiply
    7,781,065.13x = 11,672,157.51 × 2,988,754.61
  4. Step 4: Simplify right side
    7,781,065.13x = 34,885,214,508,297.83
  5. Step 5: Solve for x
    x = 34,885,214,508,297.83/7,781,065.13
  6. Step 6: Final answer
    x = 4,483,346.93

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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.