Home / 10,595,800.60-15,877,371.30-7,887,419.80

Finding the Fourth Proportional to 10,595,800.60, 15,877,371.30 and 7,887,419.80

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Solution

The fourth proportional to 10,595,800.60, 15,877,371.30 and 7,887,419.80 is: 11,818,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595,800.60 : 15,877,371.30 = 7,887,419.80 : x
  2. Step 2: Convert to fraction form
    10,595,800.60/15,877,371.30 = 7,887,419.80/x
  3. Step 3: Cross multiply
    10,595,800.60x = 15,877,371.30 × 7,887,419.80
  4. Step 4: Simplify right side
    10,595,800.60x = 125,231,492,763,571.75
  5. Step 5: Solve for x
    x = 125,231,492,763,571.75/10,595,800.60
  6. Step 6: Final answer
    x = 11,818,974.09

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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.