Home / 5,481,005.80-8,221,508.70-5,219,732.20

Finding the Fourth Proportional to 5,481,005.80, 8,221,508.70 and 5,219,732.20

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Solution

The fourth proportional to 5,481,005.80, 8,221,508.70 and 5,219,732.20 is: 7,829,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,005.80 : 8,221,508.70 = 5,219,732.20 : x
  2. Step 2: Convert to fraction form
    5,481,005.80/8,221,508.70 = 5,219,732.20/x
  3. Step 3: Cross multiply
    5,481,005.80x = 8,221,508.70 × 5,219,732.20
  4. Step 4: Simplify right side
    5,481,005.80x = 42,914,073,693,970.14
  5. Step 5: Solve for x
    x = 42,914,073,693,970.14/5,481,005.80
  6. Step 6: Final answer
    x = 7,829,598.30

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1.5x scale

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.