Home / 30,302,720.40-45,454,081.11-7,273,654.89

Finding the Fourth Proportional to 30,302,720.40, 45,454,081.11 and 7,273,654.89

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Solution

The fourth proportional to 30,302,720.40, 45,454,081.11 and 7,273,654.89 is: 10,910,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,720.40 : 45,454,081.11 = 7,273,654.89 : x
  2. Step 2: Convert to fraction form
    30,302,720.40/45,454,081.11 = 7,273,654.89/x
  3. Step 3: Cross multiply
    30,302,720.40x = 45,454,081.11 × 7,273,654.89
  4. Step 4: Simplify right side
    30,302,720.40x = 330,617,299,336,208.12
  5. Step 5: Solve for x
    x = 330,617,299,336,208.12/30,302,720.40
  6. Step 6: Final answer
    x = 10,910,482.46

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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.