Home / 21,554,637.60-32,331,956.40-19,428,873.60

Finding the Fourth Proportional to 21,554,637.60, 32,331,956.40 and 19,428,873.60

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Solution

The fourth proportional to 21,554,637.60, 32,331,956.40 and 19,428,873.60 is: 29,143,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,637.60 : 32,331,956.40 = 19,428,873.60 : x
  2. Step 2: Convert to fraction form
    21,554,637.60/32,331,956.40 = 19,428,873.60/x
  3. Step 3: Cross multiply
    21,554,637.60x = 32,331,956.40 × 19,428,873.60
  4. Step 4: Simplify right side
    21,554,637.60x = 628,173,494,136,311
  5. Step 5: Solve for x
    x = 628,173,494,136,311/21,554,637.60
  6. Step 6: Final answer
    x = 29,143,310.40

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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.