Home / 12,432,730.68-18,651,618.33-3,911,085.18

Finding the Fourth Proportional to 12,432,730.68, 18,651,618.33 and 3,911,085.18

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Solution

The fourth proportional to 12,432,730.68, 18,651,618.33 and 3,911,085.18 is: 5,867,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,730.68 : 18,651,618.33 = 3,911,085.18 : x
  2. Step 2: Convert to fraction form
    12,432,730.68/18,651,618.33 = 3,911,085.18/x
  3. Step 3: Cross multiply
    12,432,730.68x = 18,651,618.33 × 3,911,085.18
  4. Step 4: Simplify right side
    12,432,730.68x = 72,948,068,033,479.34
  5. Step 5: Solve for x
    x = 72,948,068,033,479.34/12,432,730.68
  6. Step 6: Final answer
    x = 5,867,421.24

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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.