Home / 13,690,131.64-18,892,604.46-7,495,073.80

Finding the Fourth Proportional to 13,690,131.64, 18,892,604.46 and 7,495,073.80

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Solution

The fourth proportional to 13,690,131.64, 18,892,604.46 and 7,495,073.80 is: 10,343,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,131.64 : 18,892,604.46 = 7,495,073.80 : x
  2. Step 2: Convert to fraction form
    13,690,131.64/18,892,604.46 = 7,495,073.80/x
  3. Step 3: Cross multiply
    13,690,131.64x = 18,892,604.46 × 7,495,073.80
  4. Step 4: Simplify right side
    13,690,131.64x = 141,601,464,701,909.16
  5. Step 5: Solve for x
    x = 141,601,464,701,909.16/13,690,131.64
  6. Step 6: Final answer
    x = 10,343,323.82

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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.