Home / 21,554,647.60-32,331,971.40-19,428,883.60

Finding the Fourth Proportional to 21,554,647.60, 32,331,971.40 and 19,428,883.60

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Solution

The fourth proportional to 21,554,647.60, 32,331,971.40 and 19,428,883.60 is: 29,143,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,647.60 : 32,331,971.40 = 19,428,883.60 : x
  2. Step 2: Convert to fraction form
    21,554,647.60/32,331,971.40 = 19,428,883.60/x
  3. Step 3: Cross multiply
    21,554,647.60x = 32,331,971.40 × 19,428,883.60
  4. Step 4: Simplify right side
    21,554,647.60x = 628,174,108,889,129
  5. Step 5: Solve for x
    x = 628,174,108,889,129/21,554,647.60
  6. Step 6: Final answer
    x = 29,143,325.40

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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.