Home / 13,599,557.42-18,767,849.85-7,404,844.38

Finding the Fourth Proportional to 13,599,557.42, 18,767,849.85 and 7,404,844.38

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Solution

The fourth proportional to 13,599,557.42, 18,767,849.85 and 7,404,844.38 is: 10,218,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,557.42 : 18,767,849.85 = 7,404,844.38 : x
  2. Step 2: Convert to fraction form
    13,599,557.42/18,767,849.85 = 7,404,844.38/x
  3. Step 3: Cross multiply
    13,599,557.42x = 18,767,849.85 × 7,404,844.38
  4. Step 4: Simplify right side
    13,599,557.42x = 138,973,007,521,646.08
  5. Step 5: Solve for x
    x = 138,973,007,521,646.08/13,599,557.42
  6. Step 6: Final answer
    x = 10,218,936.04

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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.