Home / 13,314,114.28-18,373,477.71-7,202,542.78

Finding the Fourth Proportional to 13,314,114.28, 18,373,477.71 and 7,202,542.78

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Solution

The fourth proportional to 13,314,114.28, 18,373,477.71 and 7,202,542.78 is: 9,939,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314,114.28 : 18,373,477.71 = 7,202,542.78 : x
  2. Step 2: Convert to fraction form
    13,314,114.28/18,373,477.71 = 7,202,542.78/x
  3. Step 3: Cross multiply
    13,314,114.28x = 18,373,477.71 × 7,202,542.78
  4. Step 4: Simplify right side
    13,314,114.28x = 132,335,759,233,113.50
  5. Step 5: Solve for x
    x = 132,335,759,233,113.50/13,314,114.28
  6. Step 6: Final answer
    x = 9,939,509.04

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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.