Home / 18,842,363.60-28,267,231.80-8,059,643.60

Finding the Fourth Proportional to 18,842,363.60, 28,267,231.80 and 8,059,643.60

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Solution

The fourth proportional to 18,842,363.60, 28,267,231.80 and 8,059,643.60 is: 12,091,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,363.60 : 28,267,231.80 = 8,059,643.60 : x
  2. Step 2: Convert to fraction form
    18,842,363.60/28,267,231.80 = 8,059,643.60/x
  3. Step 3: Cross multiply
    18,842,363.60x = 28,267,231.80 × 8,059,643.60
  4. Step 4: Simplify right side
    18,842,363.60x = 227,823,813,866,586.47
  5. Step 5: Solve for x
    x = 227,823,813,866,586.47/18,842,363.60
  6. Step 6: Final answer
    x = 12,091,042.22

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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.