Home / 20,159,601.90-30,251,212.65-7,381,398.30

Finding the Fourth Proportional to 20,159,601.90, 30,251,212.65 and 7,381,398.30

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Solution

The fourth proportional to 20,159,601.90, 30,251,212.65 and 7,381,398.30 is: 11,076,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,601.90 : 30,251,212.65 = 7,381,398.30 : x
  2. Step 2: Convert to fraction form
    20,159,601.90/30,251,212.65 = 7,381,398.30/x
  3. Step 3: Cross multiply
    20,159,601.90x = 30,251,212.65 × 7,381,398.30
  4. Step 4: Simplify right side
    20,159,601.90x = 223,296,249,627,648.47
  5. Step 5: Solve for x
    x = 223,296,249,627,648.47/20,159,601.90
  6. Step 6: Final answer
    x = 11,076,421.58

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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.