Home / 8,501,873.60-12,752,810.40-8,171,199.20

Finding the Fourth Proportional to 8,501,873.60, 12,752,810.40 and 8,171,199.20

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Solution

The fourth proportional to 8,501,873.60, 12,752,810.40 and 8,171,199.20 is: 12,256,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,873.60 : 12,752,810.40 = 8,171,199.20 : x
  2. Step 2: Convert to fraction form
    8,501,873.60/12,752,810.40 = 8,171,199.20/x
  3. Step 3: Cross multiply
    8,501,873.60x = 12,752,810.40 × 8,171,199.20
  4. Step 4: Simplify right side
    8,501,873.60x = 104,205,754,138,231.69
  5. Step 5: Solve for x
    x = 104,205,754,138,231.69/8,501,873.60
  6. Step 6: Final answer
    x = 12,256,798.80

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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.