Home / 13,756,487.80-18,963,944.22-9,613,656.40

Finding the Fourth Proportional to 13,756,487.80, 18,963,944.22 and 9,613,656.40

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Solution

The fourth proportional to 13,756,487.80, 18,963,944.22 and 9,613,656.40 is: 13,252,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,487.80 : 18,963,944.22 = 9,613,656.40 : x
  2. Step 2: Convert to fraction form
    13,756,487.80/18,963,944.22 = 9,613,656.40/x
  3. Step 3: Cross multiply
    13,756,487.80x = 18,963,944.22 × 9,613,656.40
  4. Step 4: Simplify right side
    13,756,487.80x = 182,312,843,719,846
  5. Step 5: Solve for x
    x = 182,312,843,719,846/13,756,487.80
  6. Step 6: Final answer
    x = 13,252,862.68

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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.