Home / 19,133,317.09-28,711,933.06-7,773,765.72

Finding the Fourth Proportional to 19,133,317.09, 28,711,933.06 and 7,773,765.72

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Solution

The fourth proportional to 19,133,317.09, 28,711,933.06 and 7,773,765.72 is: 11,665,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,317.09 : 28,711,933.06 = 7,773,765.72 : x
  2. Step 2: Convert to fraction form
    19,133,317.09/28,711,933.06 = 7,773,765.72/x
  3. Step 3: Cross multiply
    19,133,317.09x = 28,711,933.06 × 7,773,765.72
  4. Step 4: Simplify right side
    19,133,317.09x = 223,199,840,864,234.34
  5. Step 5: Solve for x
    x = 223,199,840,864,234.34/19,133,317.09
  6. Step 6: Final answer
    x = 11,665,506.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.