Home / 21,057,669.36-31,587,147.48-7,224,434.10

Finding the Fourth Proportional to 21,057,669.36, 31,587,147.48 and 7,224,434.10

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Solution

The fourth proportional to 21,057,669.36, 31,587,147.48 and 7,224,434.10 is: 10,836,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,669.36 : 31,587,147.48 = 7,224,434.10 : x
  2. Step 2: Convert to fraction form
    21,057,669.36/31,587,147.48 = 7,224,434.10/x
  3. Step 3: Cross multiply
    21,057,669.36x = 31,587,147.48 × 7,224,434.10
  4. Step 4: Simplify right side
    21,057,669.36x = 228,199,265,376,241.06
  5. Step 5: Solve for x
    x = 228,199,265,376,241.06/21,057,669.36
  6. Step 6: Final answer
    x = 10,836,871.90

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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.