Home / 28,633,283.82-39,513,599.46-15,580,317.89

Finding the Fourth Proportional to 28,633,283.82, 39,513,599.46 and 15,580,317.89

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Solution

The fourth proportional to 28,633,283.82, 39,513,599.46 and 15,580,317.89 is: 21,500,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,283.82 : 39,513,599.46 = 15,580,317.89 : x
  2. Step 2: Convert to fraction form
    28,633,283.82/39,513,599.46 = 15,580,317.89/x
  3. Step 3: Cross multiply
    28,633,283.82x = 39,513,599.46 × 15,580,317.89
  4. Step 4: Simplify right side
    28,633,283.82x = 615,634,440,367,364.38
  5. Step 5: Solve for x
    x = 615,634,440,367,364.38/28,633,283.82
  6. Step 6: Final answer
    x = 21,500,657.91

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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.