Home / 18,168,942.16-25,068,829.44-10,327,839

Finding the Fourth Proportional to 18,168,942.16, 25,068,829.44 and 10,327,839

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Solution

The fourth proportional to 18,168,942.16, 25,068,829.44 and 10,327,839 is: 14,249,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,942.16 : 25,068,829.44 = 10,327,839 : x
  2. Step 2: Convert to fraction form
    18,168,942.16/25,068,829.44 = 10,327,839/x
  3. Step 3: Cross multiply
    18,168,942.16x = 25,068,829.44 × 10,327,839
  4. Step 4: Simplify right side
    18,168,942.16x = 258,906,834,374,780.19
  5. Step 5: Solve for x
    x = 258,906,834,374,780.19/18,168,942.16
  6. Step 6: Final answer
    x = 14,249,967.45

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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.