Home / 10,257,426.25-15,361,482.36-5,867,259.76

Finding the Fourth Proportional to 10,257,426.25, 15,361,482.36 and 5,867,259.76

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Solution

The fourth proportional to 10,257,426.25, 15,361,482.36 and 5,867,259.76 is: 8,786,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,426.25 : 15,361,482.36 = 5,867,259.76 : x
  2. Step 2: Convert to fraction form
    10,257,426.25/15,361,482.36 = 5,867,259.76/x
  3. Step 3: Cross multiply
    10,257,426.25x = 15,361,482.36 × 5,867,259.76
  4. Step 4: Simplify right side
    10,257,426.25x = 90,129,807,304,777.83
  5. Step 5: Solve for x
    x = 90,129,807,304,777.83/10,257,426.25
  6. Step 6: Final answer
    x = 8,786,785.80

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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.