Home / 8,087,855.54-12,128,410.46-3,292,289.42

Finding the Fourth Proportional to 8,087,855.54, 12,128,410.46 and 3,292,289.42

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Solution

The fourth proportional to 8,087,855.54, 12,128,410.46 and 3,292,289.42 is: 4,937,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,855.54 : 12,128,410.46 = 3,292,289.42 : x
  2. Step 2: Convert to fraction form
    8,087,855.54/12,128,410.46 = 3,292,289.42/x
  3. Step 3: Cross multiply
    8,087,855.54x = 12,128,410.46 × 3,292,289.42
  4. Step 4: Simplify right side
    8,087,855.54x = 39,930,237,386,464.01
  5. Step 5: Solve for x
    x = 39,930,237,386,464.01/8,087,855.54
  6. Step 6: Final answer
    x = 4,937,061.15

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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.