Home / 14,269,818.85-19,692,403.04-7,743,449.69

Finding the Fourth Proportional to 14,269,818.85, 19,692,403.04 and 7,743,449.69

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Solution

The fourth proportional to 14,269,818.85, 19,692,403.04 and 7,743,449.69 is: 10,685,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,818.85 : 19,692,403.04 = 7,743,449.69 : x
  2. Step 2: Convert to fraction form
    14,269,818.85/19,692,403.04 = 7,743,449.69/x
  3. Step 3: Cross multiply
    14,269,818.85x = 19,692,403.04 × 7,743,449.69
  4. Step 4: Simplify right side
    14,269,818.85x = 152,487,132,277,399.03
  5. Step 5: Solve for x
    x = 152,487,132,277,399.03/14,269,818.85
  6. Step 6: Final answer
    x = 10,685,989.35

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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.