Home / 30,387,044.88-41,918,429.28-20,594,140

Finding the Fourth Proportional to 30,387,044.88, 41,918,429.28 and 20,594,140

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Solution

The fourth proportional to 30,387,044.88, 41,918,429.28 and 20,594,140 is: 28,409,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,044.88 : 41,918,429.28 = 20,594,140 : x
  2. Step 2: Convert to fraction form
    30,387,044.88/41,918,429.28 = 20,594,140/x
  3. Step 3: Cross multiply
    30,387,044.88x = 41,918,429.28 × 20,594,140
  4. Step 4: Simplify right side
    30,387,044.88x = 863,274,001,172,419.25
  5. Step 5: Solve for x
    x = 863,274,001,172,419.25/30,387,044.88
  6. Step 6: Final answer
    x = 28,409,277.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.