Home / 28,778,446.80-43,096,811.40-13,614,663.60

Finding the Fourth Proportional to 28,778,446.80, 43,096,811.40 and 13,614,663.60

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Solution

The fourth proportional to 28,778,446.80, 43,096,811.40 and 13,614,663.60 is: 20,388,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778,446.80 : 43,096,811.40 = 13,614,663.60 : x
  2. Step 2: Convert to fraction form
    28,778,446.80/43,096,811.40 = 13,614,663.60/x
  3. Step 3: Cross multiply
    28,778,446.80x = 43,096,811.40 × 13,614,663.60
  4. Step 4: Simplify right side
    28,778,446.80x = 586,748,589,443,645
  5. Step 5: Solve for x
    x = 586,748,589,443,645/28,778,446.80
  6. Step 6: Final answer
    x = 20,388,473.13

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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.