Home / 13,916,446.83-19,205,748.51-7,722,666

Finding the Fourth Proportional to 13,916,446.83, 19,205,748.51 and 7,722,666

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Solution

The fourth proportional to 13,916,446.83, 19,205,748.51 and 7,722,666 is: 10,657,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,446.83 : 19,205,748.51 = 7,722,666 : x
  2. Step 2: Convert to fraction form
    13,916,446.83/19,205,748.51 = 7,722,666/x
  3. Step 3: Cross multiply
    13,916,446.83x = 19,205,748.51 × 7,722,666
  4. Step 4: Simplify right side
    13,916,446.83x = 148,319,581,022,727.69
  5. Step 5: Solve for x
    x = 148,319,581,022,727.69/13,916,446.83
  6. Step 6: Final answer
    x = 10,657,862.80

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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.