Home / 7,286,209.20-10,922,315.40-5,666,079.60

Finding the Fourth Proportional to 7,286,209.20, 10,922,315.40 and 5,666,079.60

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Solution

The fourth proportional to 7,286,209.20, 10,922,315.40 and 5,666,079.60 is: 8,493,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,209.20 : 10,922,315.40 = 5,666,079.60 : x
  2. Step 2: Convert to fraction form
    7,286,209.20/10,922,315.40 = 5,666,079.60/x
  3. Step 3: Cross multiply
    7,286,209.20x = 10,922,315.40 × 5,666,079.60
  4. Step 4: Simplify right side
    7,286,209.20x = 61,886,708,472,705.84
  5. Step 5: Solve for x
    x = 61,886,708,472,705.84/7,286,209.20
  6. Step 6: Final answer
    x = 8,493,677.13

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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.