Home / 25,657,729.35-35,394,242.52-15,865,043.19

Finding the Fourth Proportional to 25,657,729.35, 35,394,242.52 and 15,865,043.19

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Solution

The fourth proportional to 25,657,729.35, 35,394,242.52 and 15,865,043.19 is: 21,885,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657,729.35 : 35,394,242.52 = 15,865,043.19 : x
  2. Step 2: Convert to fraction form
    25,657,729.35/35,394,242.52 = 15,865,043.19/x
  3. Step 3: Cross multiply
    25,657,729.35x = 35,394,242.52 × 15,865,043.19
  4. Step 4: Simplify right side
    25,657,729.35x = 561,531,186,257,134.50
  5. Step 5: Solve for x
    x = 561,531,186,257,134.50/25,657,729.35
  6. Step 6: Final answer
    x = 21,885,459.10

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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.