Home / 13,708,234.02-18,925,964.38-8,821,947.90

Finding the Fourth Proportional to 13,708,234.02, 18,925,964.38 and 8,821,947.90

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Solution

The fourth proportional to 13,708,234.02, 18,925,964.38 and 8,821,947.90 is: 12,179,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,234.02 : 18,925,964.38 = 8,821,947.90 : x
  2. Step 2: Convert to fraction form
    13,708,234.02/18,925,964.38 = 8,821,947.90/x
  3. Step 3: Cross multiply
    13,708,234.02x = 18,925,964.38 × 8,821,947.90
  4. Step 4: Simplify right side
    13,708,234.02x = 166,963,871,624,588.59
  5. Step 5: Solve for x
    x = 166,963,871,624,588.59/13,708,234.02
  6. Step 6: Final answer
    x = 12,179,823.56

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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.