Home / 11,847,813.40-17,771,720.10-9,934,625.80

Finding the Fourth Proportional to 11,847,813.40, 17,771,720.10 and 9,934,625.80

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Solution

The fourth proportional to 11,847,813.40, 17,771,720.10 and 9,934,625.80 is: 14,901,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847,813.40 : 17,771,720.10 = 9,934,625.80 : x
  2. Step 2: Convert to fraction form
    11,847,813.40/17,771,720.10 = 9,934,625.80/x
  3. Step 3: Cross multiply
    11,847,813.40x = 17,771,720.10 × 9,934,625.80
  4. Step 4: Simplify right side
    11,847,813.40x = 176,555,389,015,838.59
  5. Step 5: Solve for x
    x = 176,555,389,015,838.59/11,847,813.40
  6. Step 6: Final answer
    x = 14,901,938.70

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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.