Home / 30,622,545.60-45,933,818.40-30,409,969.20

Finding the Fourth Proportional to 30,622,545.60, 45,933,818.40 and 30,409,969.20

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Solution

The fourth proportional to 30,622,545.60, 45,933,818.40 and 30,409,969.20 is: 45,614,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,545.60 : 45,933,818.40 = 30,409,969.20 : x
  2. Step 2: Convert to fraction form
    30,622,545.60/45,933,818.40 = 30,409,969.20/x
  3. Step 3: Cross multiply
    30,622,545.60x = 45,933,818.40 × 30,409,969.20
  4. Step 4: Simplify right side
    30,622,545.60x = 1,396,846,002,782,393.25
  5. Step 5: Solve for x
    x = 1,396,846,002,782,393.25/30,622,545.60
  6. Step 6: Final answer
    x = 45,614,953.80

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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.