Home / 19,077,474.40-28,606,381.20-7,104,047.20

Finding the Fourth Proportional to 19,077,474.40, 28,606,381.20 and 7,104,047.20

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Solution

The fourth proportional to 19,077,474.40, 28,606,381.20 and 7,104,047.20 is: 10,652,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,474.40 : 28,606,381.20 = 7,104,047.20 : x
  2. Step 2: Convert to fraction form
    19,077,474.40/28,606,381.20 = 7,104,047.20/x
  3. Step 3: Cross multiply
    19,077,474.40x = 28,606,381.20 × 7,104,047.20
  4. Step 4: Simplify right side
    19,077,474.40x = 203,221,082,265,992.62
  5. Step 5: Solve for x
    x = 203,221,082,265,992.62/19,077,474.40
  6. Step 6: Final answer
    x = 10,652,410.17

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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.