Home / 8,311,746.40-12,468,008.40-2,632,415.20

Finding the Fourth Proportional to 8,311,746.40, 12,468,008.40 and 2,632,415.20

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Solution

The fourth proportional to 8,311,746.40, 12,468,008.40 and 2,632,415.20 is: 3,948,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,746.40 : 12,468,008.40 = 2,632,415.20 : x
  2. Step 2: Convert to fraction form
    8,311,746.40/12,468,008.40 = 2,632,415.20/x
  3. Step 3: Cross multiply
    8,311,746.40x = 12,468,008.40 × 2,632,415.20
  4. Step 4: Simplify right side
    8,311,746.40x = 32,820,974,825,887.68
  5. Step 5: Solve for x
    x = 32,820,974,825,887.68/8,311,746.40
  6. Step 6: Final answer
    x = 3,948,745.94

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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.