Home / 8,200,535.80-12,307,802.10-3,658,574.20

Finding the Fourth Proportional to 8,200,535.80, 12,307,802.10 and 3,658,574.20

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Solution

The fourth proportional to 8,200,535.80, 12,307,802.10 and 3,658,574.20 is: 5,490,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,535.80 : 12,307,802.10 = 3,658,574.20 : x
  2. Step 2: Convert to fraction form
    8,200,535.80/12,307,802.10 = 3,658,574.20/x
  3. Step 3: Cross multiply
    8,200,535.80x = 12,307,802.10 × 3,658,574.20
  4. Step 4: Simplify right side
    8,200,535.80x = 45,029,007,221,765.82
  5. Step 5: Solve for x
    x = 45,029,007,221,765.82/8,200,535.80
  6. Step 6: Final answer
    x = 5,490,983.56

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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.