Home / 19,181,667.80-28,747,307.28-9,087,175.64

Finding the Fourth Proportional to 19,181,667.80, 28,747,307.28 and 9,087,175.64

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Solution

The fourth proportional to 19,181,667.80, 28,747,307.28 and 9,087,175.64 is: 13,618,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,667.80 : 28,747,307.28 = 9,087,175.64 : x
  2. Step 2: Convert to fraction form
    19,181,667.80/28,747,307.28 = 9,087,175.64/x
  3. Step 3: Cross multiply
    19,181,667.80x = 28,747,307.28 × 9,087,175.64
  4. Step 4: Simplify right side
    19,181,667.80x = 261,231,830,430,410.69
  5. Step 5: Solve for x
    x = 261,231,830,430,410.69/19,181,667.80
  6. Step 6: Final answer
    x = 13,618,827.79

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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.