Home / 13,871,570.20-20,807,355.30-10,512,338.20

Finding the Fourth Proportional to 13,871,570.20, 20,807,355.30 and 10,512,338.20

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Solution

The fourth proportional to 13,871,570.20, 20,807,355.30 and 10,512,338.20 is: 15,768,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,570.20 : 20,807,355.30 = 10,512,338.20 : x
  2. Step 2: Convert to fraction form
    13,871,570.20/20,807,355.30 = 10,512,338.20/x
  3. Step 3: Cross multiply
    13,871,570.20x = 20,807,355.30 × 10,512,338.20
  4. Step 4: Simplify right side
    13,871,570.20x = 218,733,955,961,162.44
  5. Step 5: Solve for x
    x = 218,733,955,961,162.44/13,871,570.20
  6. Step 6: Final answer
    x = 15,768,507.30

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1.5x scale

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.