Home / 19,182,643.88-28,776,360.20-7,509,507.57

Finding the Fourth Proportional to 19,182,643.88, 28,776,360.20 and 7,509,507.57

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Solution

The fourth proportional to 19,182,643.88, 28,776,360.20 and 7,509,507.57 is: 11,265,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,643.88 : 28,776,360.20 = 7,509,507.57 : x
  2. Step 2: Convert to fraction form
    19,182,643.88/28,776,360.20 = 7,509,507.57/x
  3. Step 3: Cross multiply
    19,182,643.88x = 28,776,360.20 × 7,509,507.57
  4. Step 4: Simplify right side
    19,182,643.88x = 216,096,294,721,399.19
  5. Step 5: Solve for x
    x = 216,096,294,721,399.19/19,182,643.88
  6. Step 6: Final answer
    x = 11,265,198.69

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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.