Home / 48,318,846.86-66,657,957.80-28,728,586.59

Finding the Fourth Proportional to 48,318,846.86, 66,657,957.80 and 28,728,586.59

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Solution

The fourth proportional to 48,318,846.86, 66,657,957.80 and 28,728,586.59 is: 39,632,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318,846.86 : 66,657,957.80 = 28,728,586.59 : x
  2. Step 2: Convert to fraction form
    48,318,846.86/66,657,957.80 = 28,728,586.59/x
  3. Step 3: Cross multiply
    48,318,846.86x = 66,657,957.80 × 28,728,586.59
  4. Step 4: Simplify right side
    48,318,846.86x = 1,914,988,912,426,223
  5. Step 5: Solve for x
    x = 1,914,988,912,426,223/48,318,846.86
  6. Step 6: Final answer
    x = 39,632,338.87

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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.