Home / 13,560,381.16-18,713,463.46-7,365,548.52

Finding the Fourth Proportional to 13,560,381.16, 18,713,463.46 and 7,365,548.52

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Solution

The fourth proportional to 13,560,381.16, 18,713,463.46 and 7,365,548.52 is: 10,164,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,381.16 : 18,713,463.46 = 7,365,548.52 : x
  2. Step 2: Convert to fraction form
    13,560,381.16/18,713,463.46 = 7,365,548.52/x
  3. Step 3: Cross multiply
    13,560,381.16x = 18,713,463.46 × 7,365,548.52
  4. Step 4: Simplify right side
    13,560,381.16x = 137,834,923,091,877.08
  5. Step 5: Solve for x
    x = 137,834,923,091,877.08/13,560,381.16
  6. Step 6: Final answer
    x = 10,164,531.62

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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.