Home / 12,145,028.84-18,220,737.15-4,364,728.51

Finding the Fourth Proportional to 12,145,028.84, 18,220,737.15 and 4,364,728.51

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Solution

The fourth proportional to 12,145,028.84, 18,220,737.15 and 4,364,728.51 is: 6,548,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,028.84 : 18,220,737.15 = 4,364,728.51 : x
  2. Step 2: Convert to fraction form
    12,145,028.84/18,220,737.15 = 4,364,728.51/x
  3. Step 3: Cross multiply
    12,145,028.84x = 18,220,737.15 × 4,364,728.51
  4. Step 4: Simplify right side
    12,145,028.84x = 79,528,570,866,269.30
  5. Step 5: Solve for x
    x = 79,528,570,866,269.30/12,145,028.84
  6. Step 6: Final answer
    x = 6,548,240.59

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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.