Home / 12,432,746.68-18,651,642.36-3,911,101.18

Finding the Fourth Proportional to 12,432,746.68, 18,651,642.36 and 3,911,101.18

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Solution

The fourth proportional to 12,432,746.68, 18,651,642.36 and 3,911,101.18 is: 5,867,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,746.68 : 18,651,642.36 = 3,911,101.18 : x
  2. Step 2: Convert to fraction form
    12,432,746.68/18,651,642.36 = 3,911,101.18/x
  3. Step 3: Cross multiply
    12,432,746.68x = 18,651,642.36 × 3,911,101.18
  4. Step 4: Simplify right side
    12,432,746.68x = 72,948,460,443,133.98
  5. Step 5: Solve for x
    x = 72,948,460,443,133.98/12,432,746.68
  6. Step 6: Final answer
    x = 5,867,445.25

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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.