Home / 28,543,614.75-39,390,208.61-15,490,870.56

Finding the Fourth Proportional to 28,543,614.75, 39,390,208.61 and 15,490,870.56

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Solution

The fourth proportional to 28,543,614.75, 39,390,208.61 and 15,490,870.56 is: 21,377,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543,614.75 : 39,390,208.61 = 15,490,870.56 : x
  2. Step 2: Convert to fraction form
    28,543,614.75/39,390,208.61 = 15,490,870.56/x
  3. Step 3: Cross multiply
    28,543,614.75x = 39,390,208.61 × 15,490,870.56
  4. Step 4: Simplify right side
    28,543,614.75x = 610,188,622,831,453.12
  5. Step 5: Solve for x
    x = 610,188,622,831,453.12/28,543,614.75
  6. Step 6: Final answer
    x = 21,377,412.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.