Home / 30,270,734.56-45,366,672.72-12,298,828

Finding the Fourth Proportional to 30,270,734.56, 45,366,672.72 and 12,298,828

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Solution

The fourth proportional to 30,270,734.56, 45,366,672.72 and 12,298,828 is: 18,432,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270,734.56 : 45,366,672.72 = 12,298,828 : x
  2. Step 2: Convert to fraction form
    30,270,734.56/45,366,672.72 = 12,298,828/x
  3. Step 3: Cross multiply
    30,270,734.56x = 45,366,672.72 × 12,298,828
  4. Step 4: Simplify right side
    30,270,734.56x = 557,956,904,715,572.12
  5. Step 5: Solve for x
    x = 557,956,904,715,572.12/30,270,734.56
  6. Step 6: Final answer
    x = 18,432,222.17

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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.