Home / 30,967,148.40-46,434,976.20-18,191,569.20

Finding the Fourth Proportional to 30,967,148.40, 46,434,976.20 and 18,191,569.20

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Solution

The fourth proportional to 30,967,148.40, 46,434,976.20 and 18,191,569.20 is: 27,278,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967,148.40 : 46,434,976.20 = 18,191,569.20 : x
  2. Step 2: Convert to fraction form
    30,967,148.40/46,434,976.20 = 18,191,569.20/x
  3. Step 3: Cross multiply
    30,967,148.40x = 46,434,976.20 × 18,191,569.20
  4. Step 4: Simplify right side
    30,967,148.40x = 844,725,082,842,653
  5. Step 5: Solve for x
    x = 844,725,082,842,653/30,967,148.40
  6. Step 6: Final answer
    x = 27,278,103.62

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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.