Home / 30,602,919.78-42,228,818.60-17,367,882.03

Finding the Fourth Proportional to 30,602,919.78, 42,228,818.60 and 17,367,882.03

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Solution

The fourth proportional to 30,602,919.78, 42,228,818.60 and 17,367,882.03 is: 23,965,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,919.78 : 42,228,818.60 = 17,367,882.03 : x
  2. Step 2: Convert to fraction form
    30,602,919.78/42,228,818.60 = 17,367,882.03/x
  3. Step 3: Cross multiply
    30,602,919.78x = 42,228,818.60 × 17,367,882.03
  4. Step 4: Simplify right side
    30,602,919.78x = 733,425,139,624,230.38
  5. Step 5: Solve for x
    x = 733,425,139,624,230.38/30,602,919.78
  6. Step 6: Final answer
    x = 23,965,855.05

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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.