Home / 21,762,396.60-32,615,601.30-13,233,679.80

Finding the Fourth Proportional to 21,762,396.60, 32,615,601.30 and 13,233,679.80

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Solution

The fourth proportional to 21,762,396.60, 32,615,601.30 and 13,233,679.80 is: 19,833,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,396.60 : 32,615,601.30 = 13,233,679.80 : x
  2. Step 2: Convert to fraction form
    21,762,396.60/32,615,601.30 = 13,233,679.80/x
  3. Step 3: Cross multiply
    21,762,396.60x = 32,615,601.30 × 13,233,679.80
  4. Step 4: Simplify right side
    21,762,396.60x = 431,624,424,088,663.75
  5. Step 5: Solve for x
    x = 431,624,424,088,663.75/21,762,396.60
  6. Step 6: Final answer
    x = 19,833,496.84

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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.