Home / 8,713,037.20-13,069,555.80-5,349,139.60

Finding the Fourth Proportional to 8,713,037.20, 13,069,555.80 and 5,349,139.60

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Solution

The fourth proportional to 8,713,037.20, 13,069,555.80 and 5,349,139.60 is: 8,023,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,037.20 : 13,069,555.80 = 5,349,139.60 : x
  2. Step 2: Convert to fraction form
    8,713,037.20/13,069,555.80 = 5,349,139.60/x
  3. Step 3: Cross multiply
    8,713,037.20x = 13,069,555.80 × 5,349,139.60
  4. Step 4: Simplify right side
    8,713,037.20x = 69,910,878,484,189.68
  5. Step 5: Solve for x
    x = 69,910,878,484,189.68/8,713,037.20
  6. Step 6: Final answer
    x = 8,023,709.40

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Double scale
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Similar ratio
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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.