Home / 13,883,620.68-20,838,864.60-6,700,211.28

Finding the Fourth Proportional to 13,883,620.68, 20,838,864.60 and 6,700,211.28

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Solution

The fourth proportional to 13,883,620.68, 20,838,864.60 and 6,700,211.28 is: 10,056,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,620.68 : 20,838,864.60 = 6,700,211.28 : x
  2. Step 2: Convert to fraction form
    13,883,620.68/20,838,864.60 = 6,700,211.28/x
  3. Step 3: Cross multiply
    13,883,620.68x = 20,838,864.60 × 6,700,211.28
  4. Step 4: Simplify right side
    13,883,620.68x = 139,624,795,655,312.70
  5. Step 5: Solve for x
    x = 139,624,795,655,312.70/13,883,620.68
  6. Step 6: Final answer
    x = 10,056,799.94

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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.