Home / 18,623,809.20-25,700,475.96-11,658,328.44

Finding the Fourth Proportional to 18,623,809.20, 25,700,475.96 and 11,658,328.44

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Solution

The fourth proportional to 18,623,809.20, 25,700,475.96 and 11,658,328.44 is: 16,088,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,809.20 : 25,700,475.96 = 11,658,328.44 : x
  2. Step 2: Convert to fraction form
    18,623,809.20/25,700,475.96 = 11,658,328.44/x
  3. Step 3: Cross multiply
    18,623,809.20x = 25,700,475.96 × 11,658,328.44
  4. Step 4: Simplify right side
    18,623,809.20x = 299,624,589,806,004.31
  5. Step 5: Solve for x
    x = 299,624,589,806,004.31/18,623,809.20
  6. Step 6: Final answer
    x = 16,088,254.91

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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.