Home / 13,202,500.51-18,219,438.45-7,401,282.07

Finding the Fourth Proportional to 13,202,500.51, 18,219,438.45 and 7,401,282.07

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Solution

The fourth proportional to 13,202,500.51, 18,219,438.45 and 7,401,282.07 is: 10,213,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,500.51 : 18,219,438.45 = 7,401,282.07 : x
  2. Step 2: Convert to fraction form
    13,202,500.51/18,219,438.45 = 7,401,282.07/x
  3. Step 3: Cross multiply
    13,202,500.51x = 18,219,438.45 × 7,401,282.07
  4. Step 4: Simplify right side
    13,202,500.51x = 134,847,203,125,453.59
  5. Step 5: Solve for x
    x = 134,847,203,125,453.59/13,202,500.51
  6. Step 6: Final answer
    x = 10,213,762.39

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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.