Home / 10,369,996.80-15,554,995.20-6,543,621.60

Finding the Fourth Proportional to 10,369,996.80, 15,554,995.20 and 6,543,621.60

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Solution

The fourth proportional to 10,369,996.80, 15,554,995.20 and 6,543,621.60 is: 9,815,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,996.80 : 15,554,995.20 = 6,543,621.60 : x
  2. Step 2: Convert to fraction form
    10,369,996.80/15,554,995.20 = 6,543,621.60/x
  3. Step 3: Cross multiply
    10,369,996.80x = 15,554,995.20 × 6,543,621.60
  4. Step 4: Simplify right side
    10,369,996.80x = 101,786,002,578,616.31
  5. Step 5: Solve for x
    x = 101,786,002,578,616.31/10,369,996.80
  6. Step 6: Final answer
    x = 9,815,432.40

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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.