Home / 13,157,089.20-19,707,640.20-10,917,601.20

Finding the Fourth Proportional to 13,157,089.20, 19,707,640.20 and 10,917,601.20

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Solution

The fourth proportional to 13,157,089.20, 19,707,640.20 and 10,917,601.20 is: 16,353,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,089.20 : 19,707,640.20 = 10,917,601.20 : x
  2. Step 2: Convert to fraction form
    13,157,089.20/19,707,640.20 = 10,917,601.20/x
  3. Step 3: Cross multiply
    13,157,089.20x = 19,707,640.20 × 10,917,601.20
  4. Step 4: Simplify right side
    13,157,089.20x = 215,160,156,296,688.22
  5. Step 5: Solve for x
    x = 215,160,156,296,688.22/13,157,089.20
  6. Step 6: Final answer
    x = 16,353,173.03

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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.