Home / 30,031,306.14-45,042,407.70-8,173,388.69

Finding the Fourth Proportional to 30,031,306.14, 45,042,407.70 and 8,173,388.69

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Solution

The fourth proportional to 30,031,306.14, 45,042,407.70 and 8,173,388.69 is: 12,258,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031,306.14 : 45,042,407.70 = 8,173,388.69 : x
  2. Step 2: Convert to fraction form
    30,031,306.14/45,042,407.70 = 8,173,388.69/x
  3. Step 3: Cross multiply
    30,031,306.14x = 45,042,407.70 × 8,173,388.69
  4. Step 4: Simplify right side
    30,031,306.14x = 368,149,105,419,903.38
  5. Step 5: Solve for x
    x = 368,149,105,419,903.38/30,031,306.14
  6. Step 6: Final answer
    x = 12,258,844.28

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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.