Home / 20,038,688.58-27,653,443.56-10,871,331.33

Finding the Fourth Proportional to 20,038,688.58, 27,653,443.56 and 10,871,331.33

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Solution

The fourth proportional to 20,038,688.58, 27,653,443.56 and 10,871,331.33 is: 15,002,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,688.58 : 27,653,443.56 = 10,871,331.33 : x
  2. Step 2: Convert to fraction form
    20,038,688.58/27,653,443.56 = 10,871,331.33/x
  3. Step 3: Cross multiply
    20,038,688.58x = 27,653,443.56 × 10,871,331.33
  4. Step 4: Simplify right side
    20,038,688.58x = 300,629,747,356,214.75
  5. Step 5: Solve for x
    x = 300,629,747,356,214.75/20,038,688.58
  6. Step 6: Final answer
    x = 15,002,466.16

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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.