Home / 14,217,378.03-19,619,922.56-7,690,991.40

Finding the Fourth Proportional to 14,217,378.03, 19,619,922.56 and 7,690,991.40

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Solution

The fourth proportional to 14,217,378.03, 19,619,922.56 and 7,690,991.40 is: 10,613,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,378.03 : 19,619,922.56 = 7,690,991.40 : x
  2. Step 2: Convert to fraction form
    14,217,378.03/19,619,922.56 = 7,690,991.40/x
  3. Step 3: Cross multiply
    14,217,378.03x = 19,619,922.56 × 7,690,991.40
  4. Step 4: Simplify right side
    14,217,378.03x = 150,896,655,639,171.03
  5. Step 5: Solve for x
    x = 150,896,655,639,171.03/14,217,378.03
  6. Step 6: Final answer
    x = 10,613,536.15

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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.