Home / 9,301,288.76-12,835,765.45-5,171,188.47

Finding the Fourth Proportional to 9,301,288.76, 12,835,765.45 and 5,171,188.47

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Solution

The fourth proportional to 9,301,288.76, 12,835,765.45 and 5,171,188.47 is: 7,136,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301,288.76 : 12,835,765.45 = 5,171,188.47 : x
  2. Step 2: Convert to fraction form
    9,301,288.76/12,835,765.45 = 5,171,188.47/x
  3. Step 3: Cross multiply
    9,301,288.76x = 12,835,765.45 × 5,171,188.47
  4. Step 4: Simplify right side
    9,301,288.76x = 66,376,162,298,664.35
  5. Step 5: Solve for x
    x = 66,376,162,298,664.35/9,301,288.76
  6. Step 6: Final answer
    x = 7,136,232.84

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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.