Home / 27,990,852.38-38,625,991.21-15,601,966.22

Finding the Fourth Proportional to 27,990,852.38, 38,625,991.21 and 15,601,966.22

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Solution

The fourth proportional to 27,990,852.38, 38,625,991.21 and 15,601,966.22 is: 21,529,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990,852.38 : 38,625,991.21 = 15,601,966.22 : x
  2. Step 2: Convert to fraction form
    27,990,852.38/38,625,991.21 = 15,601,966.22/x
  3. Step 3: Cross multiply
    27,990,852.38x = 38,625,991.21 × 15,601,966.22
  4. Step 4: Simplify right side
    27,990,852.38x = 602,641,410,072,437
  5. Step 5: Solve for x
    x = 602,641,410,072,437/27,990,852.38
  6. Step 6: Final answer
    x = 21,529,941.35

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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.