Home / 15,607,648.91-21,537,096.24-9,326,929.87

Finding the Fourth Proportional to 15,607,648.91, 21,537,096.24 and 9,326,929.87

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Solution

The fourth proportional to 15,607,648.91, 21,537,096.24 and 9,326,929.87 is: 12,870,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,648.91 : 21,537,096.24 = 9,326,929.87 : x
  2. Step 2: Convert to fraction form
    15,607,648.91/21,537,096.24 = 9,326,929.87/x
  3. Step 3: Cross multiply
    15,607,648.91x = 21,537,096.24 × 9,326,929.87
  4. Step 4: Simplify right side
    15,607,648.91x = 200,874,986,174,671.84
  5. Step 5: Solve for x
    x = 200,874,986,174,671.84/15,607,648.91
  6. Step 6: Final answer
    x = 12,870,291.19

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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.