Home / 12,853,787.40-17,738,224.69-7,347,280.49

Finding the Fourth Proportional to 12,853,787.40, 17,738,224.69 and 7,347,280.49

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Solution

The fourth proportional to 12,853,787.40, 17,738,224.69 and 7,347,280.49 is: 10,139,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,787.40 : 17,738,224.69 = 7,347,280.49 : x
  2. Step 2: Convert to fraction form
    12,853,787.40/17,738,224.69 = 7,347,280.49/x
  3. Step 3: Cross multiply
    12,853,787.40x = 17,738,224.69 × 7,347,280.49
  4. Step 4: Simplify right side
    12,853,787.40x = 130,327,712,126,361.80
  5. Step 5: Solve for x
    x = 130,327,712,126,361.80/12,853,787.40
  6. Step 6: Final answer
    x = 10,139,245.97

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1.5x scale

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.