Home / 25,623,843.51-35,328,828.25-21,386,496.49

Finding the Fourth Proportional to 25,623,843.51, 35,328,828.25 and 21,386,496.49

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Solution

The fourth proportional to 25,623,843.51, 35,328,828.25 and 21,386,496.49 is: 29,486,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623,843.51 : 35,328,828.25 = 21,386,496.49 : x
  2. Step 2: Convert to fraction form
    25,623,843.51/35,328,828.25 = 21,386,496.49/x
  3. Step 3: Cross multiply
    25,623,843.51x = 35,328,828.25 × 21,386,496.49
  4. Step 4: Simplify right side
    25,623,843.51x = 755,559,861,364,437.75
  5. Step 5: Solve for x
    x = 755,559,861,364,437.75/25,623,843.51
  6. Step 6: Final answer
    x = 29,486,593.66

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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.