Home / 15,533,083.20-21,435,754.32-8,658,001.20

Finding the Fourth Proportional to 15,533,083.20, 21,435,754.32 and 8,658,001.20

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Solution

The fourth proportional to 15,533,083.20, 21,435,754.32 and 8,658,001.20 is: 11,948,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,083.20 : 21,435,754.32 = 8,658,001.20 : x
  2. Step 2: Convert to fraction form
    15,533,083.20/21,435,754.32 = 8,658,001.20/x
  3. Step 3: Cross multiply
    15,533,083.20x = 21,435,754.32 × 8,658,001.20
  4. Step 4: Simplify right side
    15,533,083.20x = 185,590,786,625,465.16
  5. Step 5: Solve for x
    x = 185,590,786,625,465.16/15,533,083.20
  6. Step 6: Final answer
    x = 11,948,097.12

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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.