Home / 10,647,355.80-15,971,033.70-6,385,330.20

Finding the Fourth Proportional to 10,647,355.80, 15,971,033.70 and 6,385,330.20

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Solution

The fourth proportional to 10,647,355.80, 15,971,033.70 and 6,385,330.20 is: 9,577,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,355.80 : 15,971,033.70 = 6,385,330.20 : x
  2. Step 2: Convert to fraction form
    10,647,355.80/15,971,033.70 = 6,385,330.20/x
  3. Step 3: Cross multiply
    10,647,355.80x = 15,971,033.70 × 6,385,330.20
  4. Step 4: Simplify right side
    10,647,355.80x = 101,980,323,809,827.73
  5. Step 5: Solve for x
    x = 101,980,323,809,827.73/10,647,355.80
  6. Step 6: Final answer
    x = 9,577,995.30

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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.