Home / 12,659,611.61-18,989,417.64-3,074,925.54

Finding the Fourth Proportional to 12,659,611.61, 18,989,417.64 and 3,074,925.54

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Solution

The fourth proportional to 12,659,611.61, 18,989,417.64 and 3,074,925.54 is: 4,612,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,611.61 : 18,989,417.64 = 3,074,925.54 : x
  2. Step 2: Convert to fraction form
    12,659,611.61/18,989,417.64 = 3,074,925.54/x
  3. Step 3: Cross multiply
    12,659,611.61x = 18,989,417.64 × 3,074,925.54
  4. Step 4: Simplify right side
    12,659,611.61x = 58,391,045,290,962.53
  5. Step 5: Solve for x
    x = 58,391,045,290,962.53/12,659,611.61
  6. Step 6: Final answer
    x = 4,612,388.37

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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.