Home / 42,581,940.67-63,872,912.37-13,438,733.19

Finding the Fourth Proportional to 42,581,940.67, 63,872,912.37 and 13,438,733.19

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Solution

The fourth proportional to 42,581,940.67, 63,872,912.37 and 13,438,733.19 is: 20,158,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581,940.67 : 63,872,912.37 = 13,438,733.19 : x
  2. Step 2: Convert to fraction form
    42,581,940.67/63,872,912.37 = 13,438,733.19/x
  3. Step 3: Cross multiply
    42,581,940.67x = 63,872,912.37 × 13,438,733.19
  4. Step 4: Simplify right side
    42,581,940.67x = 858,371,027,219,552.38
  5. Step 5: Solve for x
    x = 858,371,027,219,552.38/42,581,940.67
  6. Step 6: Final answer
    x = 20,158,100.21

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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.