Home / 19,896,467.20-29,844,700.80-9,796,998.40

Finding the Fourth Proportional to 19,896,467.20, 29,844,700.80 and 9,796,998.40

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Solution

The fourth proportional to 19,896,467.20, 29,844,700.80 and 9,796,998.40 is: 14,695,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896,467.20 : 29,844,700.80 = 9,796,998.40 : x
  2. Step 2: Convert to fraction form
    19,896,467.20/29,844,700.80 = 9,796,998.40/x
  3. Step 3: Cross multiply
    19,896,467.20x = 29,844,700.80 × 9,796,998.40
  4. Step 4: Simplify right side
    19,896,467.20x = 292,388,485,986,078.75
  5. Step 5: Solve for x
    x = 292,388,485,986,078.75/19,896,467.20
  6. Step 6: Final answer
    x = 14,695,497.60

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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.