Home / 18,680,446.08-25,778,973.06-10,531,625.76

Finding the Fourth Proportional to 18,680,446.08, 25,778,973.06 and 10,531,625.76

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Solution

The fourth proportional to 18,680,446.08, 25,778,973.06 and 10,531,625.76 is: 14,533,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,446.08 : 25,778,973.06 = 10,531,625.76 : x
  2. Step 2: Convert to fraction form
    18,680,446.08/25,778,973.06 = 10,531,625.76/x
  3. Step 3: Cross multiply
    18,680,446.08x = 25,778,973.06 × 10,531,625.76
  4. Step 4: Simplify right side
    18,680,446.08x = 271,494,496,745,042
  5. Step 5: Solve for x
    x = 271,494,496,745,042/18,680,446.08
  6. Step 6: Final answer
    x = 14,533,619.57

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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.