Home / 21,029,981.10-31,474,987.65-15,256,301.10

Finding the Fourth Proportional to 21,029,981.10, 31,474,987.65 and 15,256,301.10

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Solution

The fourth proportional to 21,029,981.10, 31,474,987.65 and 15,256,301.10 is: 22,833,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,981.10 : 31,474,987.65 = 15,256,301.10 : x
  2. Step 2: Convert to fraction form
    21,029,981.10/31,474,987.65 = 15,256,301.10/x
  3. Step 3: Cross multiply
    21,029,981.10x = 31,474,987.65 × 15,256,301.10
  4. Step 4: Simplify right side
    21,029,981.10x = 480,191,888,707,181.38
  5. Step 5: Solve for x
    x = 480,191,888,707,181.38/21,029,981.10
  6. Step 6: Final answer
    x = 22,833,681.42

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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.