Home / 15,561,921.80-23,369,126.70-13,000,507.40

Finding the Fourth Proportional to 15,561,921.80, 23,369,126.70 and 13,000,507.40

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Solution

The fourth proportional to 15,561,921.80, 23,369,126.70 and 13,000,507.40 is: 19,522,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561,921.80 : 23,369,126.70 = 13,000,507.40 : x
  2. Step 2: Convert to fraction form
    15,561,921.80/23,369,126.70 = 13,000,507.40/x
  3. Step 3: Cross multiply
    15,561,921.80x = 23,369,126.70 × 13,000,507.40
  4. Step 4: Simplify right side
    15,561,921.80x = 303,810,504,594,887.56
  5. Step 5: Solve for x
    x = 303,810,504,594,887.56/15,561,921.80
  6. Step 6: Final answer
    x = 19,522,685.47

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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.