Home / 8,140,002.10-12,210,003.15-2,074,722.10

Finding the Fourth Proportional to 8,140,002.10, 12,210,003.15 and 2,074,722.10

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Solution

The fourth proportional to 8,140,002.10, 12,210,003.15 and 2,074,722.10 is: 3,112,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,002.10 : 12,210,003.15 = 2,074,722.10 : x
  2. Step 2: Convert to fraction form
    8,140,002.10/12,210,003.15 = 2,074,722.10/x
  3. Step 3: Cross multiply
    8,140,002.10x = 12,210,003.15 × 2,074,722.10
  4. Step 4: Simplify right side
    8,140,002.10x = 25,332,363,376,374.62
  5. Step 5: Solve for x
    x = 25,332,363,376,374.62/8,140,002.10
  6. Step 6: Final answer
    x = 3,112,083.15

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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.