Home / 25,343,013.78-38,018,314.26-9,172,748.40

Finding the Fourth Proportional to 25,343,013.78, 38,018,314.26 and 9,172,748.40

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Solution

The fourth proportional to 25,343,013.78, 38,018,314.26 and 9,172,748.40 is: 13,760,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343,013.78 : 38,018,314.26 = 9,172,748.40 : x
  2. Step 2: Convert to fraction form
    25,343,013.78/38,018,314.26 = 9,172,748.40/x
  3. Step 3: Cross multiply
    25,343,013.78x = 38,018,314.26 × 9,172,748.40
  4. Step 4: Simplify right side
    25,343,013.78x = 348,732,431,109,020.56
  5. Step 5: Solve for x
    x = 348,732,431,109,020.56/25,343,013.78
  6. Step 6: Final answer
    x = 13,760,495.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.