Home / 12,209,140.20-18,322,004.70-6,817,780.20

Finding the Fourth Proportional to 12,209,140.20, 18,322,004.70 and 6,817,780.20

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Solution

The fourth proportional to 12,209,140.20, 18,322,004.70 and 6,817,780.20 is: 10,231,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,140.20 : 18,322,004.70 = 6,817,780.20 : x
  2. Step 2: Convert to fraction form
    12,209,140.20/18,322,004.70 = 6,817,780.20/x
  3. Step 3: Cross multiply
    12,209,140.20x = 18,322,004.70 × 6,817,780.20
  4. Step 4: Simplify right side
    12,209,140.20x = 124,915,400,867,966.94
  5. Step 5: Solve for x
    x = 124,915,400,867,966.94/12,209,140.20
  6. Step 6: Final answer
    x = 10,231,302.03

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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.