Home / 29,997,268.80-45,012,283.80-12,722,782.76

Finding the Fourth Proportional to 29,997,268.80, 45,012,283.80 and 12,722,782.76

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Solution

The fourth proportional to 29,997,268.80, 45,012,283.80 and 12,722,782.76 is: 19,091,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997,268.80 : 45,012,283.80 = 12,722,782.76 : x
  2. Step 2: Convert to fraction form
    29,997,268.80/45,012,283.80 = 12,722,782.76/x
  3. Step 3: Cross multiply
    29,997,268.80x = 45,012,283.80 × 12,722,782.76
  4. Step 4: Simplify right side
    29,997,268.80x = 572,681,508,318,867.25
  5. Step 5: Solve for x
    x = 572,681,508,318,867.25/29,997,268.80
  6. Step 6: Final answer
    x = 19,091,121.67

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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.