Home / 38,029,859.70-52,482,394.41-21,509,661

Finding the Fourth Proportional to 38,029,859.70, 52,482,394.41 and 21,509,661

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Solution

The fourth proportional to 38,029,859.70, 52,482,394.41 and 21,509,661 is: 29,684,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029,859.70 : 52,482,394.41 = 21,509,661 : x
  2. Step 2: Convert to fraction form
    38,029,859.70/52,482,394.41 = 21,509,661/x
  3. Step 3: Cross multiply
    38,029,859.70x = 52,482,394.41 × 21,509,661
  4. Step 4: Simplify right side
    38,029,859.70x = 1,128,878,512,227,395
  5. Step 5: Solve for x
    x = 1,128,878,512,227,395/38,029,859.70
  6. Step 6: Final answer
    x = 29,684,004.13

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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.