Home / 19,254,366.43-28,890,891.38-8,470,266

Finding the Fourth Proportional to 19,254,366.43, 28,890,891.38 and 8,470,266

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Solution

The fourth proportional to 19,254,366.43, 28,890,891.38 and 8,470,266 is: 12,709,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,366.43 : 28,890,891.38 = 8,470,266 : x
  2. Step 2: Convert to fraction form
    19,254,366.43/28,890,891.38 = 8,470,266/x
  3. Step 3: Cross multiply
    19,254,366.43x = 28,890,891.38 × 8,470,266
  4. Step 4: Simplify right side
    19,254,366.43x = 244,713,534,965,707.06
  5. Step 5: Solve for x
    x = 244,713,534,965,707.06/19,254,366.43
  6. Step 6: Final answer
    x = 12,709,508.56

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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.