Home / 21,791,953-32,675,850.78-10,107,579.88

Finding the Fourth Proportional to 21,791,953, 32,675,850.78 and 10,107,579.88

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Solution

The fourth proportional to 21,791,953, 32,675,850.78 and 10,107,579.88 is: 15,155,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,953 : 32,675,850.78 = 10,107,579.88 : x
  2. Step 2: Convert to fraction form
    21,791,953/32,675,850.78 = 10,107,579.88/x
  3. Step 3: Cross multiply
    21,791,953x = 32,675,850.78 × 10,107,579.88
  4. Step 4: Simplify right side
    21,791,953x = 330,273,771,905,810.38
  5. Step 5: Solve for x
    x = 330,273,771,905,810.38/21,791,953
  6. Step 6: Final answer
    x = 15,155,767.45

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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.