Home / 13,157,903.28-19,716,462-9,122,237.04

Finding the Fourth Proportional to 13,157,903.28, 19,716,462 and 9,122,237.04

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Solution

The fourth proportional to 13,157,903.28, 19,716,462 and 9,122,237.04 is: 13,669,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,903.28 : 19,716,462 = 9,122,237.04 : x
  2. Step 2: Convert to fraction form
    13,157,903.28/19,716,462 = 9,122,237.04/x
  3. Step 3: Cross multiply
    13,157,903.28x = 19,716,462 × 9,122,237.04
  4. Step 4: Simplify right side
    13,157,903.28x = 179,858,239,954,152.47
  5. Step 5: Solve for x
    x = 179,858,239,954,152.47/13,157,903.28
  6. Step 6: Final answer
    x = 13,669,217.36

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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.