Home / 8,385,734.12-11,572,244.28-5,290,257.02

Finding the Fourth Proportional to 8,385,734.12, 11,572,244.28 and 5,290,257.02

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Solution

The fourth proportional to 8,385,734.12, 11,572,244.28 and 5,290,257.02 is: 7,300,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,734.12 : 11,572,244.28 = 5,290,257.02 : x
  2. Step 2: Convert to fraction form
    8,385,734.12/11,572,244.28 = 5,290,257.02/x
  3. Step 3: Cross multiply
    8,385,734.12x = 11,572,244.28 × 5,290,257.02
  4. Step 4: Simplify right side
    8,385,734.12x = 61,220,146,481,563.62
  5. Step 5: Solve for x
    x = 61,220,146,481,563.62/8,385,734.12
  6. Step 6: Final answer
    x = 7,300,511.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.