Home / 38,785,994.52-53,525,084.72-21,382,962.52

Finding the Fourth Proportional to 38,785,994.52, 53,525,084.72 and 21,382,962.52

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Solution

The fourth proportional to 38,785,994.52, 53,525,084.72 and 21,382,962.52 is: 29,508,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785,994.52 : 53,525,084.72 = 21,382,962.52 : x
  2. Step 2: Convert to fraction form
    38,785,994.52/53,525,084.72 = 21,382,962.52/x
  3. Step 3: Cross multiply
    38,785,994.52x = 53,525,084.72 × 21,382,962.52
  4. Step 4: Simplify right side
    38,785,994.52x = 1,144,524,880,447,584.75
  5. Step 5: Solve for x
    x = 1,144,524,880,447,584.75/38,785,994.52
  6. Step 6: Final answer
    x = 29,508,715.57

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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.