Home / 19,264,212.80-28,896,928.32-7,136,711.36

Finding the Fourth Proportional to 19,264,212.80, 28,896,928.32 and 7,136,711.36

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Solution

The fourth proportional to 19,264,212.80, 28,896,928.32 and 7,136,711.36 is: 10,705,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264,212.80 : 28,896,928.32 = 7,136,711.36 : x
  2. Step 2: Convert to fraction form
    19,264,212.80/28,896,928.32 = 7,136,711.36/x
  3. Step 3: Cross multiply
    19,264,212.80x = 28,896,928.32 × 7,136,711.36
  4. Step 4: Simplify right side
    19,264,212.80x = 206,229,036,610,449.72
  5. Step 5: Solve for x
    x = 206,229,036,610,449.72/19,264,212.80
  6. Step 6: Final answer
    x = 10,705,292.70

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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.