Home / 30,386,049.72-45,579,191.45-7,356,945.87

Finding the Fourth Proportional to 30,386,049.72, 45,579,191.45 and 7,356,945.87

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Solution

The fourth proportional to 30,386,049.72, 45,579,191.45 and 7,356,945.87 is: 11,035,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,049.72 : 45,579,191.45 = 7,356,945.87 : x
  2. Step 2: Convert to fraction form
    30,386,049.72/45,579,191.45 = 7,356,945.87/x
  3. Step 3: Cross multiply
    30,386,049.72x = 45,579,191.45 × 7,356,945.87
  4. Step 4: Simplify right side
    30,386,049.72x = 335,323,644,296,016.81
  5. Step 5: Solve for x
    x = 335,323,644,296,016.81/30,386,049.72
  6. Step 6: Final answer
    x = 11,035,447.10

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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.