Home / 13,285,522.80-19,932,949.80-5,714,809.20

Finding the Fourth Proportional to 13,285,522.80, 19,932,949.80 and 5,714,809.20

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Solution

The fourth proportional to 13,285,522.80, 19,932,949.80 and 5,714,809.20 is: 8,574,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,522.80 : 19,932,949.80 = 5,714,809.20 : x
  2. Step 2: Convert to fraction form
    13,285,522.80/19,932,949.80 = 5,714,809.20/x
  3. Step 3: Cross multiply
    13,285,522.80x = 19,932,949.80 × 5,714,809.20
  4. Step 4: Simplify right side
    13,285,522.80x = 113,913,004,900,178.17
  5. Step 5: Solve for x
    x = 113,913,004,900,178.17/13,285,522.80
  6. Step 6: Final answer
    x = 8,574,220.72

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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.