Home / 12,601,503.65-18,888,969.45-4,922,181.20

Finding the Fourth Proportional to 12,601,503.65, 18,888,969.45 and 4,922,181.20

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Solution

The fourth proportional to 12,601,503.65, 18,888,969.45 and 4,922,181.20 is: 7,378,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,503.65 : 18,888,969.45 = 4,922,181.20 : x
  2. Step 2: Convert to fraction form
    12,601,503.65/18,888,969.45 = 4,922,181.20/x
  3. Step 3: Cross multiply
    12,601,503.65x = 18,888,969.45 × 4,922,181.20
  4. Step 4: Simplify right side
    12,601,503.65x = 92,974,930,314,164.34
  5. Step 5: Solve for x
    x = 92,974,930,314,164.34/12,601,503.65
  6. Step 6: Final answer
    x = 7,378,082.24

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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.