Home / 13,194,652.80-19,785,741.12-5,111,414.40

Finding the Fourth Proportional to 13,194,652.80, 19,785,741.12 and 5,111,414.40

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Solution

The fourth proportional to 13,194,652.80, 19,785,741.12 and 5,111,414.40 is: 7,664,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,652.80 : 19,785,741.12 = 5,111,414.40 : x
  2. Step 2: Convert to fraction form
    13,194,652.80/19,785,741.12 = 5,111,414.40/x
  3. Step 3: Cross multiply
    13,194,652.80x = 19,785,741.12 × 5,111,414.40
  4. Step 4: Simplify right side
    13,194,652.80x = 101,133,122,075,440.14
  5. Step 5: Solve for x
    x = 101,133,122,075,440.14/13,194,652.80
  6. Step 6: Final answer
    x = 7,664,705.06

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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.