Home / 21,169,916.40-31,707,635.40-16,362,015.60

Finding the Fourth Proportional to 21,169,916.40, 31,707,635.40 and 16,362,015.60

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Solution

The fourth proportional to 21,169,916.40, 31,707,635.40 and 16,362,015.60 is: 24,506,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,916.40 : 31,707,635.40 = 16,362,015.60 : x
  2. Step 2: Convert to fraction form
    21,169,916.40/31,707,635.40 = 16,362,015.60/x
  3. Step 3: Cross multiply
    21,169,916.40x = 31,707,635.40 × 16,362,015.60
  4. Step 4: Simplify right side
    21,169,916.40x = 518,800,825,053,912.19
  5. Step 5: Solve for x
    x = 518,800,825,053,912.19/21,169,916.40
  6. Step 6: Final answer
    x = 24,506,512.70

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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.