Home / 13,554,524.16-18,705,158.96-7,753,402.71

Finding the Fourth Proportional to 13,554,524.16, 18,705,158.96 and 7,753,402.71

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Solution

The fourth proportional to 13,554,524.16, 18,705,158.96 and 7,753,402.71 is: 10,699,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,524.16 : 18,705,158.96 = 7,753,402.71 : x
  2. Step 2: Convert to fraction form
    13,554,524.16/18,705,158.96 = 7,753,402.71/x
  3. Step 3: Cross multiply
    13,554,524.16x = 18,705,158.96 × 7,753,402.71
  4. Step 4: Simplify right side
    13,554,524.16x = 145,028,630,132,677.75
  5. Step 5: Solve for x
    x = 145,028,630,132,677.75/13,554,524.16
  6. Step 6: Final answer
    x = 10,699,647.47

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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.