Home / 7,152,677.40-10,729,016.10-6,368,856.60

Finding the Fourth Proportional to 7,152,677.40, 10,729,016.10 and 6,368,856.60

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Solution

The fourth proportional to 7,152,677.40, 10,729,016.10 and 6,368,856.60 is: 9,553,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,677.40 : 10,729,016.10 = 6,368,856.60 : x
  2. Step 2: Convert to fraction form
    7,152,677.40/10,729,016.10 = 6,368,856.60/x
  3. Step 3: Cross multiply
    7,152,677.40x = 10,729,016.10 × 6,368,856.60
  4. Step 4: Simplify right side
    7,152,677.40x = 68,331,564,999,991.25
  5. Step 5: Solve for x
    x = 68,331,564,999,991.25/7,152,677.40
  6. Step 6: Final answer
    x = 9,553,284.90

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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.