Home / 28,005,883.15-38,647,163.91-15,447,435.39

Finding the Fourth Proportional to 28,005,883.15, 38,647,163.91 and 15,447,435.39

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Solution

The fourth proportional to 28,005,883.15, 38,647,163.91 and 15,447,435.39 is: 21,316,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,883.15 : 38,647,163.91 = 15,447,435.39 : x
  2. Step 2: Convert to fraction form
    28,005,883.15/38,647,163.91 = 15,447,435.39/x
  3. Step 3: Cross multiply
    28,005,883.15x = 38,647,163.91 × 15,447,435.39
  4. Step 4: Simplify right side
    28,005,883.15x = 596,999,567,506,464.75
  5. Step 5: Solve for x
    x = 596,999,567,506,464.75/28,005,883.15
  6. Step 6: Final answer
    x = 21,316,934.17

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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.