Home / 15,977,716.40-23,950,828.20-7,884,066.80

Finding the Fourth Proportional to 15,977,716.40, 23,950,828.20 and 7,884,066.80

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Solution

The fourth proportional to 15,977,716.40, 23,950,828.20 and 7,884,066.80 is: 11,818,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,716.40 : 23,950,828.20 = 7,884,066.80 : x
  2. Step 2: Convert to fraction form
    15,977,716.40/23,950,828.20 = 7,884,066.80/x
  3. Step 3: Cross multiply
    15,977,716.40x = 23,950,828.20 × 7,884,066.80
  4. Step 4: Simplify right side
    15,977,716.40x = 188,829,929,444,123.75
  5. Step 5: Solve for x
    x = 188,829,929,444,123.75/15,977,716.40
  6. Step 6: Final answer
    x = 11,818,330.27

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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.