Home / 21,805,916.40-32,673,445.20-18,192,117.60

Finding the Fourth Proportional to 21,805,916.40, 32,673,445.20 and 18,192,117.60

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Solution

The fourth proportional to 21,805,916.40, 32,673,445.20 and 18,192,117.60 is: 27,258,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,916.40 : 32,673,445.20 = 18,192,117.60 : x
  2. Step 2: Convert to fraction form
    21,805,916.40/32,673,445.20 = 18,192,117.60/x
  3. Step 3: Cross multiply
    21,805,916.40x = 32,673,445.20 × 18,192,117.60
  4. Step 4: Simplify right side
    21,805,916.40x = 594,399,157,475,555.50
  5. Step 5: Solve for x
    x = 594,399,157,475,555.50/21,805,916.40
  6. Step 6: Final answer
    x = 27,258,618.56

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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.