Home / 20,038,509.18-27,653,152.68-10,871,149.50

Finding the Fourth Proportional to 20,038,509.18, 27,653,152.68 and 10,871,149.50

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Solution

The fourth proportional to 20,038,509.18, 27,653,152.68 and 10,871,149.50 is: 15,002,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,509.18 : 27,653,152.68 = 10,871,149.50 : x
  2. Step 2: Convert to fraction form
    20,038,509.18/27,653,152.68 = 10,871,149.50/x
  3. Step 3: Cross multiply
    20,038,509.18x = 27,653,152.68 × 10,871,149.50
  4. Step 4: Simplify right side
    20,038,509.18x = 300,621,556,930,605.69
  5. Step 5: Solve for x
    x = 300,621,556,930,605.69/20,038,509.18
  6. Step 6: Final answer
    x = 15,002,191.74

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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.