Home / 30,302,719.40-45,454,079.61-7,273,653.89

Finding the Fourth Proportional to 30,302,719.40, 45,454,079.61 and 7,273,653.89

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Solution

The fourth proportional to 30,302,719.40, 45,454,079.61 and 7,273,653.89 is: 10,910,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,719.40 : 45,454,079.61 = 7,273,653.89 : x
  2. Step 2: Convert to fraction form
    30,302,719.40/45,454,079.61 = 7,273,653.89/x
  3. Step 3: Cross multiply
    30,302,719.40x = 45,454,079.61 × 7,273,653.89
  4. Step 4: Simplify right side
    30,302,719.40x = 330,617,242,744,375.75
  5. Step 5: Solve for x
    x = 330,617,242,744,375.75/30,302,719.40
  6. Step 6: Final answer
    x = 10,910,480.95

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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.