Home / 30,602,921.28-42,228,820.67-17,367,883.53

Finding the Fourth Proportional to 30,602,921.28, 42,228,820.67 and 17,367,883.53

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Solution

The fourth proportional to 30,602,921.28, 42,228,820.67 and 17,367,883.53 is: 23,965,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,921.28 : 42,228,820.67 = 17,367,883.53 : x
  2. Step 2: Convert to fraction form
    30,602,921.28/42,228,820.67 = 17,367,883.53/x
  3. Step 3: Cross multiply
    30,602,921.28x = 42,228,820.67 × 17,367,883.53
  4. Step 4: Simplify right side
    30,602,921.28x = 733,425,238,918,977.12
  5. Step 5: Solve for x
    x = 733,425,238,918,977.12/30,602,921.28
  6. Step 6: Final answer
    x = 23,965,857.12

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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.