Home / 35,642,321.15-49,177,972.91-20,172,405.34

Finding the Fourth Proportional to 35,642,321.15, 49,177,972.91 and 20,172,405.34

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Solution

The fourth proportional to 35,642,321.15, 49,177,972.91 and 20,172,405.34 is: 27,833,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642,321.15 : 49,177,972.91 = 20,172,405.34 : x
  2. Step 2: Convert to fraction form
    35,642,321.15/49,177,972.91 = 20,172,405.34/x
  3. Step 3: Cross multiply
    35,642,321.15x = 49,177,972.91 × 20,172,405.34
  4. Step 4: Simplify right side
    35,642,321.15x = 992,038,003,116,252.38
  5. Step 5: Solve for x
    x = 992,038,003,116,252.38/35,642,321.15
  6. Step 6: Final answer
    x = 27,833,148.10

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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.