Home / 28,531,996.11-39,374,230.14-15,479,254.62

Finding the Fourth Proportional to 28,531,996.11, 39,374,230.14 and 15,479,254.62

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Solution

The fourth proportional to 28,531,996.11, 39,374,230.14 and 15,479,254.62 is: 21,361,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531,996.11 : 39,374,230.14 = 15,479,254.62 : x
  2. Step 2: Convert to fraction form
    28,531,996.11/39,374,230.14 = 15,479,254.62/x
  3. Step 3: Cross multiply
    28,531,996.11x = 39,374,230.14 × 15,479,254.62
  4. Step 4: Simplify right side
    28,531,996.11x = 609,483,733,803,538.25
  5. Step 5: Solve for x
    x = 609,483,733,803,538.25/28,531,996.11
  6. Step 6: Final answer
    x = 21,361,412.34

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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.