Home / 18,431,759.65-25,445,390.44-13,464,623.52

Finding the Fourth Proportional to 18,431,759.65, 25,445,390.44 and 13,464,623.52

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Solution

The fourth proportional to 18,431,759.65, 25,445,390.44 and 13,464,623.52 is: 18,588,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,759.65 : 25,445,390.44 = 13,464,623.52 : x
  2. Step 2: Convert to fraction form
    18,431,759.65/25,445,390.44 = 13,464,623.52/x
  3. Step 3: Cross multiply
    18,431,759.65x = 25,445,390.44 × 13,464,623.52
  4. Step 4: Simplify right side
    18,431,759.65x = 342,612,602,466,780.25
  5. Step 5: Solve for x
    x = 342,612,602,466,780.25/18,431,759.65
  6. Step 6: Final answer
    x = 18,588,165.70

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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.