Home / 20,157,468.15-27,819,667.64-11,456,948.60

Finding the Fourth Proportional to 20,157,468.15, 27,819,667.64 and 11,456,948.60

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Solution

The fourth proportional to 20,157,468.15, 27,819,667.64 and 11,456,948.60 is: 15,811,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,468.15 : 27,819,667.64 = 11,456,948.60 : x
  2. Step 2: Convert to fraction form
    20,157,468.15/27,819,667.64 = 11,456,948.60/x
  3. Step 3: Cross multiply
    20,157,468.15x = 27,819,667.64 × 11,456,948.60
  4. Step 4: Simplify right side
    20,157,468.15x = 318,728,502,232,827.75
  5. Step 5: Solve for x
    x = 318,728,502,232,827.75/20,157,468.15
  6. Step 6: Final answer
    x = 15,811,931.33

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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.