Home / 18,812,587.56-25,966,895.94-12,287,214.60

Finding the Fourth Proportional to 18,812,587.56, 25,966,895.94 and 12,287,214.60

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Solution

The fourth proportional to 18,812,587.56, 25,966,895.94 and 12,287,214.60 is: 16,959,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,587.56 : 25,966,895.94 = 12,287,214.60 : x
  2. Step 2: Convert to fraction form
    18,812,587.56/25,966,895.94 = 12,287,214.60/x
  3. Step 3: Cross multiply
    18,812,587.56x = 25,966,895.94 × 12,287,214.60
  4. Step 4: Simplify right side
    18,812,587.56x = 319,060,822,910,648.75
  5. Step 5: Solve for x
    x = 319,060,822,910,648.75/18,812,587.56
  6. Step 6: Final answer
    x = 16,959,964.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.