Home / 18,423,612.42-25,424,511.03-10,164,188.22

Finding the Fourth Proportional to 18,423,612.42, 25,424,511.03 and 10,164,188.22

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Solution

The fourth proportional to 18,423,612.42, 25,424,511.03 and 10,164,188.22 is: 14,026,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423,612.42 : 25,424,511.03 = 10,164,188.22 : x
  2. Step 2: Convert to fraction form
    18,423,612.42/25,424,511.03 = 10,164,188.22/x
  3. Step 3: Cross multiply
    18,423,612.42x = 25,424,511.03 × 10,164,188.22
  4. Step 4: Simplify right side
    18,423,612.42x = 258,419,515,510,386.09
  5. Step 5: Solve for x
    x = 258,419,515,510,386.09/18,423,612.42
  6. Step 6: Final answer
    x = 14,026,538.86

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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.