Home / 28,098,844.25-38,777,256.97-15,709,459.68

Finding the Fourth Proportional to 28,098,844.25, 38,777,256.97 and 15,709,459.68

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Solution

The fourth proportional to 28,098,844.25, 38,777,256.97 and 15,709,459.68 is: 21,679,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,844.25 : 38,777,256.97 = 15,709,459.68 : x
  2. Step 2: Convert to fraction form
    28,098,844.25/38,777,256.97 = 15,709,459.68/x
  3. Step 3: Cross multiply
    28,098,844.25x = 38,777,256.97 × 15,709,459.68
  4. Step 4: Simplify right side
    28,098,844.25x = 609,169,754,831,940.38
  5. Step 5: Solve for x
    x = 609,169,754,831,940.38/28,098,844.25
  6. Step 6: Final answer
    x = 21,679,530.64

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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.