Home / 13,176,272.20-18,182,411.22-7,374,074.44

Finding the Fourth Proportional to 13,176,272.20, 18,182,411.22 and 7,374,074.44

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Solution

The fourth proportional to 13,176,272.20, 18,182,411.22 and 7,374,074.44 is: 10,175,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,272.20 : 18,182,411.22 = 7,374,074.44 : x
  2. Step 2: Convert to fraction form
    13,176,272.20/18,182,411.22 = 7,374,074.44/x
  3. Step 3: Cross multiply
    13,176,272.20x = 18,182,411.22 × 7,374,074.44
  4. Step 4: Simplify right side
    13,176,272.20x = 134,078,453,834,971.22
  5. Step 5: Solve for x
    x = 134,078,453,834,971.22/13,176,272.20
  6. Step 6: Final answer
    x = 10,175,750.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.