Home / 10,988,016.70-16,489,023.45-6,439,056.70

Finding the Fourth Proportional to 10,988,016.70, 16,489,023.45 and 6,439,056.70

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Solution

The fourth proportional to 10,988,016.70, 16,489,023.45 and 6,439,056.70 is: 9,662,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988,016.70 : 16,489,023.45 = 6,439,056.70 : x
  2. Step 2: Convert to fraction form
    10,988,016.70/16,489,023.45 = 6,439,056.70/x
  3. Step 3: Cross multiply
    10,988,016.70x = 16,489,023.45 × 6,439,056.70
  4. Step 4: Simplify right side
    10,988,016.70x = 106,173,756,922,179.61
  5. Step 5: Solve for x
    x = 106,173,756,922,179.61/10,988,016.70
  6. Step 6: Final answer
    x = 9,662,686.16

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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.