Home / 6,805,403.20-10,208,104.80-5,125,787.20

Finding the Fourth Proportional to 6,805,403.20, 10,208,104.80 and 5,125,787.20

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Solution

The fourth proportional to 6,805,403.20, 10,208,104.80 and 5,125,787.20 is: 7,688,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,403.20 : 10,208,104.80 = 5,125,787.20 : x
  2. Step 2: Convert to fraction form
    6,805,403.20/10,208,104.80 = 5,125,787.20/x
  3. Step 3: Cross multiply
    6,805,403.20x = 10,208,104.80 × 5,125,787.20
  4. Step 4: Simplify right side
    6,805,403.20x = 52,324,572,920,098.56
  5. Step 5: Solve for x
    x = 52,324,572,920,098.56/6,805,403.20
  6. Step 6: Final answer
    x = 7,688,680.80

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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.