Home / 13,832,827.70-20,749,241.55-6,642,627.80

Finding the Fourth Proportional to 13,832,827.70, 20,749,241.55 and 6,642,627.80

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Solution

The fourth proportional to 13,832,827.70, 20,749,241.55 and 6,642,627.80 is: 9,963,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,827.70 : 20,749,241.55 = 6,642,627.80 : x
  2. Step 2: Convert to fraction form
    13,832,827.70/20,749,241.55 = 6,642,627.80/x
  3. Step 3: Cross multiply
    13,832,827.70x = 20,749,241.55 × 6,642,627.80
  4. Step 4: Simplify right side
    13,832,827.70x = 137,829,488,748,945.09
  5. Step 5: Solve for x
    x = 137,829,488,748,945.09/13,832,827.70
  6. Step 6: Final answer
    x = 9,963,941.70

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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.