Home / 13,745,086.85-18,967,090.53-7,549,813.39

Finding the Fourth Proportional to 13,745,086.85, 18,967,090.53 and 7,549,813.39

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Solution

The fourth proportional to 13,745,086.85, 18,967,090.53 and 7,549,813.39 is: 10,418,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,086.85 : 18,967,090.53 = 7,549,813.39 : x
  2. Step 2: Convert to fraction form
    13,745,086.85/18,967,090.53 = 7,549,813.39/x
  3. Step 3: Cross multiply
    13,745,086.85x = 18,967,090.53 × 7,549,813.39
  4. Step 4: Simplify right side
    13,745,086.85x = 143,197,993,957,900.75
  5. Step 5: Solve for x
    x = 143,197,993,957,900.75/13,745,086.85
  6. Step 6: Final answer
    x = 10,418,122.17

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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.