Home / 20,038,501.20-27,653,141.64-10,871,141.52

Finding the Fourth Proportional to 20,038,501.20, 27,653,141.64 and 10,871,141.52

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Solution

The fourth proportional to 20,038,501.20, 27,653,141.64 and 10,871,141.52 is: 15,002,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,501.20 : 27,653,141.64 = 10,871,141.52 : x
  2. Step 2: Convert to fraction form
    20,038,501.20/27,653,141.64 = 10,871,141.52/x
  3. Step 3: Cross multiply
    20,038,501.20x = 27,653,141.64 × 10,871,141.52
  4. Step 4: Simplify right side
    20,038,501.20x = 300,621,216,241,044.88
  5. Step 5: Solve for x
    x = 300,621,216,241,044.88/20,038,501.20
  6. Step 6: Final answer
    x = 15,002,180.71

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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.