Home / 5,347,279.80-8,020,919.70-4,152,886.20

Finding the Fourth Proportional to 5,347,279.80, 8,020,919.70 and 4,152,886.20

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Solution

The fourth proportional to 5,347,279.80, 8,020,919.70 and 4,152,886.20 is: 6,229,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,279.80 : 8,020,919.70 = 4,152,886.20 : x
  2. Step 2: Convert to fraction form
    5,347,279.80/8,020,919.70 = 4,152,886.20/x
  3. Step 3: Cross multiply
    5,347,279.80x = 8,020,919.70 × 4,152,886.20
  4. Step 4: Simplify right side
    5,347,279.80x = 33,309,966,733,438.14
  5. Step 5: Solve for x
    x = 33,309,966,733,438.14/5,347,279.80
  6. Step 6: Final answer
    x = 6,229,329.30

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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.