Home / 31,453,486.70-47,158,294.39-13,936,516.55

Finding the Fourth Proportional to 31,453,486.70, 47,158,294.39 and 13,936,516.55

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Solution

The fourth proportional to 31,453,486.70, 47,158,294.39 and 13,936,516.55 is: 20,895,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,486.70 : 47,158,294.39 = 13,936,516.55 : x
  2. Step 2: Convert to fraction form
    31,453,486.70/47,158,294.39 = 13,936,516.55/x
  3. Step 3: Cross multiply
    31,453,486.70x = 47,158,294.39 × 13,936,516.55
  4. Step 4: Simplify right side
    31,453,486.70x = 657,222,349,965,374.38
  5. Step 5: Solve for x
    x = 657,222,349,965,374.38/31,453,486.70
  6. Step 6: Final answer
    x = 20,895,055.49

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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.