Home / 19,546,961.40-29,331,875.70-8,186,455.80

Finding the Fourth Proportional to 19,546,961.40, 29,331,875.70 and 8,186,455.80

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Solution

The fourth proportional to 19,546,961.40, 29,331,875.70 and 8,186,455.80 is: 12,284,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546,961.40 : 29,331,875.70 = 8,186,455.80 : x
  2. Step 2: Convert to fraction form
    19,546,961.40/29,331,875.70 = 8,186,455.80/x
  3. Step 3: Cross multiply
    19,546,961.40x = 29,331,875.70 × 8,186,455.80
  4. Step 4: Simplify right side
    19,546,961.40x = 240,124,103,949,144.06
  5. Step 5: Solve for x
    x = 240,124,103,949,144.06/19,546,961.40
  6. Step 6: Final answer
    x = 12,284,472.20

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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.