Home / 12,290,424.20-18,435,636.30-5,913,132.20

Finding the Fourth Proportional to 12,290,424.20, 18,435,636.30 and 5,913,132.20

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Solution

The fourth proportional to 12,290,424.20, 18,435,636.30 and 5,913,132.20 is: 8,869,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,424.20 : 18,435,636.30 = 5,913,132.20 : x
  2. Step 2: Convert to fraction form
    12,290,424.20/18,435,636.30 = 5,913,132.20/x
  3. Step 3: Cross multiply
    12,290,424.20x = 18,435,636.30 × 5,913,132.20
  4. Step 4: Simplify right side
    12,290,424.20x = 109,012,354,633,018.88
  5. Step 5: Solve for x
    x = 109,012,354,633,018.88/12,290,424.20
  6. Step 6: Final answer
    x = 8,869,698.30

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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.