Home / 15,383,070.90-21,228,465.84-8,413,948.68

Finding the Fourth Proportional to 15,383,070.90, 21,228,465.84 and 8,413,948.68

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Solution

The fourth proportional to 15,383,070.90, 21,228,465.84 and 8,413,948.68 is: 11,611,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,070.90 : 21,228,465.84 = 8,413,948.68 : x
  2. Step 2: Convert to fraction form
    15,383,070.90/21,228,465.84 = 8,413,948.68/x
  3. Step 3: Cross multiply
    15,383,070.90x = 21,228,465.84 × 8,413,948.68
  4. Step 4: Simplify right side
    15,383,070.90x = 178,615,222,132,893.09
  5. Step 5: Solve for x
    x = 178,615,222,132,893.09/15,383,070.90
  6. Step 6: Final answer
    x = 11,611,155.10

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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.