Home / 29,307,886.95-40,418,418.06-18,295,658.51

Finding the Fourth Proportional to 29,307,886.95, 40,418,418.06 and 18,295,658.51

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Solution

The fourth proportional to 29,307,886.95, 40,418,418.06 and 18,295,658.51 is: 25,231,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307,886.95 : 40,418,418.06 = 18,295,658.51 : x
  2. Step 2: Convert to fraction form
    29,307,886.95/40,418,418.06 = 18,295,658.51/x
  3. Step 3: Cross multiply
    29,307,886.95x = 40,418,418.06 × 18,295,658.51
  4. Step 4: Simplify right side
    29,307,886.95x = 739,481,574,138,084.62
  5. Step 5: Solve for x
    x = 739,481,574,138,084.62/29,307,886.95
  6. Step 6: Final answer
    x = 25,231,487.19

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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.