Home / 42,296,647.38-63,431,832.07-20,423,427.17

Finding the Fourth Proportional to 42,296,647.38, 63,431,832.07 and 20,423,427.17

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Solution

The fourth proportional to 42,296,647.38, 63,431,832.07 and 20,423,427.17 is: 30,628,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296,647.38 : 63,431,832.07 = 20,423,427.17 : x
  2. Step 2: Convert to fraction form
    42,296,647.38/63,431,832.07 = 20,423,427.17/x
  3. Step 3: Cross multiply
    42,296,647.38x = 63,431,832.07 × 20,423,427.17
  4. Step 4: Simplify right side
    42,296,647.38x = 1,295,495,402,648,836.25
  5. Step 5: Solve for x
    x = 1,295,495,402,648,836.25/42,296,647.38
  6. Step 6: Final answer
    x = 30,628,796.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.