Home / 18,953,759.50-26,172,132.08-11,996,710.20

Finding the Fourth Proportional to 18,953,759.50, 26,172,132.08 and 11,996,710.20

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Solution

The fourth proportional to 18,953,759.50, 26,172,132.08 and 11,996,710.20 is: 16,565,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,759.50 : 26,172,132.08 = 11,996,710.20 : x
  2. Step 2: Convert to fraction form
    18,953,759.50/26,172,132.08 = 11,996,710.20/x
  3. Step 3: Cross multiply
    18,953,759.50x = 26,172,132.08 × 11,996,710.20
  4. Step 4: Simplify right side
    18,953,759.50x = 313,979,483,819,899.62
  5. Step 5: Solve for x
    x = 313,979,483,819,899.62/18,953,759.50
  6. Step 6: Final answer
    x = 16,565,551.75

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1.5x scale

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.