Home / 12,660,947.47-18,991,444.97-3,076,334.11

Finding the Fourth Proportional to 12,660,947.47, 18,991,444.97 and 3,076,334.11

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Solution

The fourth proportional to 12,660,947.47, 18,991,444.97 and 3,076,334.11 is: 4,614,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,947.47 : 18,991,444.97 = 3,076,334.11 : x
  2. Step 2: Convert to fraction form
    12,660,947.47/18,991,444.97 = 3,076,334.11/x
  3. Step 3: Cross multiply
    12,660,947.47x = 18,991,444.97 × 3,076,334.11
  4. Step 4: Simplify right side
    12,660,947.47x = 58,424,029,959,398.92
  5. Step 5: Solve for x
    x = 58,424,029,959,398.92/12,660,947.47
  6. Step 6: Final answer
    x = 4,614,506.94

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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.