Home / 15,607,649.78-21,537,097.46-9,326,930.76

Finding the Fourth Proportional to 15,607,649.78, 21,537,097.46 and 9,326,930.76

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Solution

The fourth proportional to 15,607,649.78, 21,537,097.46 and 9,326,930.76 is: 12,870,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,649.78 : 21,537,097.46 = 9,326,930.76 : x
  2. Step 2: Convert to fraction form
    15,607,649.78/21,537,097.46 = 9,326,930.76/x
  3. Step 3: Cross multiply
    15,607,649.78x = 21,537,097.46 × 9,326,930.76
  4. Step 4: Simplify right side
    15,607,649.78x = 200,875,016,780,791.88
  5. Step 5: Solve for x
    x = 200,875,016,780,791.88/15,607,649.78
  6. Step 6: Final answer
    x = 12,870,292.43

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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.