Home / 13,303,013.60-19,954,520.40-12,771,572.60

Finding the Fourth Proportional to 13,303,013.60, 19,954,520.40 and 12,771,572.60

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Solution

The fourth proportional to 13,303,013.60, 19,954,520.40 and 12,771,572.60 is: 19,157,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,013.60 : 19,954,520.40 = 12,771,572.60 : x
  2. Step 2: Convert to fraction form
    13,303,013.60/19,954,520.40 = 12,771,572.60/x
  3. Step 3: Cross multiply
    13,303,013.60x = 19,954,520.40 × 12,771,572.60
  4. Step 4: Simplify right side
    13,303,013.60x = 254,850,605,986,781
  5. Step 5: Solve for x
    x = 254,850,605,986,781/13,303,013.60
  6. Step 6: Final answer
    x = 19,157,358.90

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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.