Home / 30,195,042.60-45,292,563.90-7,475,940.12

Finding the Fourth Proportional to 30,195,042.60, 45,292,563.90 and 7,475,940.12

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Solution

The fourth proportional to 30,195,042.60, 45,292,563.90 and 7,475,940.12 is: 11,213,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195,042.60 : 45,292,563.90 = 7,475,940.12 : x
  2. Step 2: Convert to fraction form
    30,195,042.60/45,292,563.90 = 7,475,940.12/x
  3. Step 3: Cross multiply
    30,195,042.60x = 45,292,563.90 × 7,475,940.12
  4. Step 4: Simplify right side
    30,195,042.60x = 338,604,495,597,673.69
  5. Step 5: Solve for x
    x = 338,604,495,597,673.69/30,195,042.60
  6. Step 6: Final answer
    x = 11,213,910.18

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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.