Home / 6,385,612.20-9,578,418.30-5,251,871.40

Finding the Fourth Proportional to 6,385,612.20, 9,578,418.30 and 5,251,871.40

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Solution

The fourth proportional to 6,385,612.20, 9,578,418.30 and 5,251,871.40 is: 7,877,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,612.20 : 9,578,418.30 = 5,251,871.40 : x
  2. Step 2: Convert to fraction form
    6,385,612.20/9,578,418.30 = 5,251,871.40/x
  3. Step 3: Cross multiply
    6,385,612.20x = 9,578,418.30 × 5,251,871.40
  4. Step 4: Simplify right side
    6,385,612.20x = 50,304,621,127,006.62
  5. Step 5: Solve for x
    x = 50,304,621,127,006.62/6,385,612.20
  6. Step 6: Final answer
    x = 7,877,807.10

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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.