Home / 18,627,590.79-25,706,646.82-10,368,111.92

Finding the Fourth Proportional to 18,627,590.79, 25,706,646.82 and 10,368,111.92

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Solution

The fourth proportional to 18,627,590.79, 25,706,646.82 and 10,368,111.92 is: 14,308,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,590.79 : 25,706,646.82 = 10,368,111.92 : x
  2. Step 2: Convert to fraction form
    18,627,590.79/25,706,646.82 = 10,368,111.92/x
  3. Step 3: Cross multiply
    18,627,590.79x = 25,706,646.82 × 10,368,111.92
  4. Step 4: Simplify right side
    18,627,590.79x = 266,529,391,317,672.09
  5. Step 5: Solve for x
    x = 266,529,391,317,672.09/18,627,590.79
  6. Step 6: Final answer
    x = 14,308,312.56

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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.