Home / 7,019,824.50-10,528,405.11-3,421,972.98

Finding the Fourth Proportional to 7,019,824.50, 10,528,405.11 and 3,421,972.98

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Solution

The fourth proportional to 7,019,824.50, 10,528,405.11 and 3,421,972.98 is: 5,132,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,824.50 : 10,528,405.11 = 3,421,972.98 : x
  2. Step 2: Convert to fraction form
    7,019,824.50/10,528,405.11 = 3,421,972.98/x
  3. Step 3: Cross multiply
    7,019,824.50x = 10,528,405.11 × 3,421,972.98
  4. Step 4: Simplify right side
    7,019,824.50x = 36,027,917,808,913.92
  5. Step 5: Solve for x
    x = 36,027,917,808,913.92/7,019,824.50
  6. Step 6: Final answer
    x = 5,132,310.33

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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.