Home / 13,070,535.30-18,037,570.46-7,269,319.55

Finding the Fourth Proportional to 13,070,535.30, 18,037,570.46 and 7,269,319.55

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Solution

The fourth proportional to 13,070,535.30, 18,037,570.46 and 7,269,319.55 is: 10,031,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,535.30 : 18,037,570.46 = 7,269,319.55 : x
  2. Step 2: Convert to fraction form
    13,070,535.30/18,037,570.46 = 7,269,319.55/x
  3. Step 3: Cross multiply
    13,070,535.30x = 18,037,570.46 × 7,269,319.55
  4. Step 4: Simplify right side
    13,070,535.30x = 131,120,863,588,127.81
  5. Step 5: Solve for x
    x = 131,120,863,588,127.81/13,070,535.30
  6. Step 6: Final answer
    x = 10,031,789.87

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1.5x scale

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.