Home / 12,601,504.65-18,888,970.95-4,922,182.20

Finding the Fourth Proportional to 12,601,504.65, 18,888,970.95 and 4,922,182.20

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Solution

The fourth proportional to 12,601,504.65, 18,888,970.95 and 4,922,182.20 is: 7,378,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,504.65 : 18,888,970.95 = 4,922,182.20 : x
  2. Step 2: Convert to fraction form
    12,601,504.65/18,888,970.95 = 4,922,182.20/x
  3. Step 3: Cross multiply
    12,601,504.65x = 18,888,970.95 × 4,922,182.20
  4. Step 4: Simplify right side
    12,601,504.65x = 92,974,956,586,407.09
  5. Step 5: Solve for x
    x = 92,974,956,586,407.09/12,601,504.65
  6. Step 6: Final answer
    x = 7,378,083.74

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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.