Home / 30,613,488.21-42,246,251.70-16,674,799.54

Finding the Fourth Proportional to 30,613,488.21, 42,246,251.70 and 16,674,799.54

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Solution

The fourth proportional to 30,613,488.21, 42,246,251.70 and 16,674,799.54 is: 23,011,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613,488.21 : 42,246,251.70 = 16,674,799.54 : x
  2. Step 2: Convert to fraction form
    30,613,488.21/42,246,251.70 = 16,674,799.54/x
  3. Step 3: Cross multiply
    30,613,488.21x = 42,246,251.70 × 16,674,799.54
  4. Step 4: Simplify right side
    30,613,488.21x = 704,447,778,413,884.25
  5. Step 5: Solve for x
    x = 704,447,778,413,884.25/30,613,488.21
  6. Step 6: Final answer
    x = 23,011,026.17

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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.