Home / 21,032,465.60-31,536,256.80-10,954,769.60

Finding the Fourth Proportional to 21,032,465.60, 31,536,256.80 and 10,954,769.60

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Solution

The fourth proportional to 21,032,465.60, 31,536,256.80 and 10,954,769.60 is: 16,425,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,465.60 : 31,536,256.80 = 10,954,769.60 : x
  2. Step 2: Convert to fraction form
    21,032,465.60/31,536,256.80 = 10,954,769.60/x
  3. Step 3: Cross multiply
    21,032,465.60x = 31,536,256.80 × 10,954,769.60
  4. Step 4: Simplify right side
    21,032,465.60x = 345,472,427,290,433.25
  5. Step 5: Solve for x
    x = 345,472,427,290,433.25/21,032,465.60
  6. Step 6: Final answer
    x = 16,425,674.19

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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.