Home / 25,657,728.36-35,394,241.14-15,865,042.20

Finding the Fourth Proportional to 25,657,728.36, 35,394,241.14 and 15,865,042.20

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Solution

The fourth proportional to 25,657,728.36, 35,394,241.14 and 15,865,042.20 is: 21,885,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657,728.36 : 35,394,241.14 = 15,865,042.20 : x
  2. Step 2: Convert to fraction form
    25,657,728.36/35,394,241.14 = 15,865,042.20/x
  3. Step 3: Cross multiply
    25,657,728.36x = 35,394,241.14 × 15,865,042.20
  4. Step 4: Simplify right side
    25,657,728.36x = 561,531,129,323,076.06
  5. Step 5: Solve for x
    x = 561,531,129,323,076.06/25,657,728.36
  6. Step 6: Final answer
    x = 21,885,457.72

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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.