Home / 28,926,825.63-39,919,320.50-15,874,929.91

Finding the Fourth Proportional to 28,926,825.63, 39,919,320.50 and 15,874,929.91

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Solution

The fourth proportional to 28,926,825.63, 39,919,320.50 and 15,874,929.91 is: 21,907,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,825.63 : 39,919,320.50 = 15,874,929.91 : x
  2. Step 2: Convert to fraction form
    28,926,825.63/39,919,320.50 = 15,874,929.91/x
  3. Step 3: Cross multiply
    28,926,825.63x = 39,919,320.50 × 15,874,929.91
  4. Step 4: Simplify right side
    28,926,825.63x = 633,716,414,992,326.12
  5. Step 5: Solve for x
    x = 633,716,414,992,326.12/28,926,825.63
  6. Step 6: Final answer
    x = 21,907,568.54

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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.