Home / 13,190,447.70-19,785,015.45-6,801,345.90

Finding the Fourth Proportional to 13,190,447.70, 19,785,015.45 and 6,801,345.90

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Solution

The fourth proportional to 13,190,447.70, 19,785,015.45 and 6,801,345.90 is: 10,201,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,447.70 : 19,785,015.45 = 6,801,345.90 : x
  2. Step 2: Convert to fraction form
    13,190,447.70/19,785,015.45 = 6,801,345.90/x
  3. Step 3: Cross multiply
    13,190,447.70x = 19,785,015.45 × 6,801,345.90
  4. Step 4: Simplify right side
    13,190,447.70x = 134,564,733,712,294.16
  5. Step 5: Solve for x
    x = 134,564,733,712,294.16/13,190,447.70
  6. Step 6: Final answer
    x = 10,201,680.55

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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.