Home / 20,038,500.18-27,653,140.26-10,871,140.50

Finding the Fourth Proportional to 20,038,500.18, 27,653,140.26 and 10,871,140.50

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Solution

The fourth proportional to 20,038,500.18, 27,653,140.26 and 10,871,140.50 is: 15,002,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,500.18 : 27,653,140.26 = 10,871,140.50 : x
  2. Step 2: Convert to fraction form
    20,038,500.18/27,653,140.26 = 10,871,140.50/x
  3. Step 3: Cross multiply
    20,038,500.18x = 27,653,140.26 × 10,871,140.50
  4. Step 4: Simplify right side
    20,038,500.18x = 300,621,173,032,666.56
  5. Step 5: Solve for x
    x = 300,621,173,032,666.56/20,038,500.18
  6. Step 6: Final answer
    x = 15,002,179.32

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1.5x scale

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.