Home / 30,914,837.60-42,660,810.07-17,162,916.80

Finding the Fourth Proportional to 30,914,837.60, 42,660,810.07 and 17,162,916.80

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Solution

The fourth proportional to 30,914,837.60, 42,660,810.07 and 17,162,916.80 is: 23,683,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914,837.60 : 42,660,810.07 = 17,162,916.80 : x
  2. Step 2: Convert to fraction form
    30,914,837.60/42,660,810.07 = 17,162,916.80/x
  3. Step 3: Cross multiply
    30,914,837.60x = 42,660,810.07 × 17,162,916.80
  4. Step 4: Simplify right side
    30,914,837.60x = 732,183,933,595,801
  5. Step 5: Solve for x
    x = 732,183,933,595,801/30,914,837.60
  6. Step 6: Final answer
    x = 23,683,900.37

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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.