Home / 13,812,443.19-20,715,129.54-4,094,783.78

Finding the Fourth Proportional to 13,812,443.19, 20,715,129.54 and 4,094,783.78

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Solution

The fourth proportional to 13,812,443.19, 20,715,129.54 and 4,094,783.78 is: 6,141,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,443.19 : 20,715,129.54 = 4,094,783.78 : x
  2. Step 2: Convert to fraction form
    13,812,443.19/20,715,129.54 = 4,094,783.78/x
  3. Step 3: Cross multiply
    13,812,443.19x = 20,715,129.54 × 4,094,783.78
  4. Step 4: Simplify right side
    13,812,443.19x = 84,823,976,337,415.20
  5. Step 5: Solve for x
    x = 84,823,976,337,415.20/13,812,443.19
  6. Step 6: Final answer
    x = 6,141,127.62

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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.