Home / 15,430,390.43-23,129,383.48-5,191,695.86

Finding the Fourth Proportional to 15,430,390.43, 23,129,383.48 and 5,191,695.86

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Solution

The fourth proportional to 15,430,390.43, 23,129,383.48 and 5,191,695.86 is: 7,782,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,390.43 : 23,129,383.48 = 5,191,695.86 : x
  2. Step 2: Convert to fraction form
    15,430,390.43/23,129,383.48 = 5,191,695.86/x
  3. Step 3: Cross multiply
    15,430,390.43x = 23,129,383.48 × 5,191,695.86
  4. Step 4: Simplify right side
    15,430,390.43x = 120,080,724,502,312.61
  5. Step 5: Solve for x
    x = 120,080,724,502,312.61/15,430,390.43
  6. Step 6: Final answer
    x = 7,782,092.43

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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.