Home / 18,895,056.80-28,342,585.20-8,110,522.40

Finding the Fourth Proportional to 18,895,056.80, 28,342,585.20 and 8,110,522.40

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Solution

The fourth proportional to 18,895,056.80, 28,342,585.20 and 8,110,522.40 is: 12,165,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,056.80 : 28,342,585.20 = 8,110,522.40 : x
  2. Step 2: Convert to fraction form
    18,895,056.80/28,342,585.20 = 8,110,522.40/x
  3. Step 3: Cross multiply
    18,895,056.80x = 28,342,585.20 × 8,110,522.40
  4. Step 4: Simplify right side
    18,895,056.80x = 229,873,172,138,508.50
  5. Step 5: Solve for x
    x = 229,873,172,138,508.50/18,895,056.80
  6. Step 6: Final answer
    x = 12,165,783.60

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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.