Home / 13,157,090.20-19,707,641.70-10,917,602.20

Finding the Fourth Proportional to 13,157,090.20, 19,707,641.70 and 10,917,602.20

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Solution

The fourth proportional to 13,157,090.20, 19,707,641.70 and 10,917,602.20 is: 16,353,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,090.20 : 19,707,641.70 = 10,917,602.20 : x
  2. Step 2: Convert to fraction form
    13,157,090.20/19,707,641.70 = 10,917,602.20/x
  3. Step 3: Cross multiply
    13,157,090.20x = 19,707,641.70 × 10,917,602.20
  4. Step 4: Simplify right side
    13,157,090.20x = 215,160,192,380,731.72
  5. Step 5: Solve for x
    x = 215,160,192,380,731.72/13,157,090.20
  6. Step 6: Final answer
    x = 16,353,174.53

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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.