Home / 18,656,197.86-25,731,848.85-12,365,348.06

Finding the Fourth Proportional to 18,656,197.86, 25,731,848.85 and 12,365,348.06

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Solution

The fourth proportional to 18,656,197.86, 25,731,848.85 and 12,365,348.06 is: 17,055,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656,197.86 : 25,731,848.85 = 12,365,348.06 : x
  2. Step 2: Convert to fraction form
    18,656,197.86/25,731,848.85 = 12,365,348.06/x
  3. Step 3: Cross multiply
    18,656,197.86x = 25,731,848.85 × 12,365,348.06
  4. Step 4: Simplify right side
    18,656,197.86x = 318,183,267,335,678.75
  5. Step 5: Solve for x
    x = 318,183,267,335,678.75/18,656,197.86
  6. Step 6: Final answer
    x = 17,055,097.17

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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.