Home / 30,336,139.80-45,504,209.70-11,180,644.20

Finding the Fourth Proportional to 30,336,139.80, 45,504,209.70 and 11,180,644.20

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Solution

The fourth proportional to 30,336,139.80, 45,504,209.70 and 11,180,644.20 is: 16,770,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336,139.80 : 45,504,209.70 = 11,180,644.20 : x
  2. Step 2: Convert to fraction form
    30,336,139.80/45,504,209.70 = 11,180,644.20/x
  3. Step 3: Cross multiply
    30,336,139.80x = 45,504,209.70 × 11,180,644.20
  4. Step 4: Simplify right side
    30,336,139.80x = 508,766,378,257,888.75
  5. Step 5: Solve for x
    x = 508,766,378,257,888.75/30,336,139.80
  6. Step 6: Final answer
    x = 16,770,966.30

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1.5x scale

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.