Home / 8,499,875.13-11,728,840.91-5,190,506.73

Finding the Fourth Proportional to 8,499,875.13, 11,728,840.91 and 5,190,506.73

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Solution

The fourth proportional to 8,499,875.13, 11,728,840.91 and 5,190,506.73 is: 7,162,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,875.13 : 11,728,840.91 = 5,190,506.73 : x
  2. Step 2: Convert to fraction form
    8,499,875.13/11,728,840.91 = 5,190,506.73/x
  3. Step 3: Cross multiply
    8,499,875.13x = 11,728,840.91 × 5,190,506.73
  4. Step 4: Simplify right side
    8,499,875.13x = 60,878,627,652,501.79
  5. Step 5: Solve for x
    x = 60,878,627,652,501.79/8,499,875.13
  6. Step 6: Final answer
    x = 7,162,296.71

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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.