Home / 19,964,145.90-29,946,121.65-7,825,032.30

Finding the Fourth Proportional to 19,964,145.90, 29,946,121.65 and 7,825,032.30

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Solution

The fourth proportional to 19,964,145.90, 29,946,121.65 and 7,825,032.30 is: 11,737,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,145.90 : 29,946,121.65 = 7,825,032.30 : x
  2. Step 2: Convert to fraction form
    19,964,145.90/29,946,121.65 = 7,825,032.30/x
  3. Step 3: Cross multiply
    19,964,145.90x = 29,946,121.65 × 7,825,032.30
  4. Step 4: Simplify right side
    19,964,145.90x = 234,329,369,170,979.28
  5. Step 5: Solve for x
    x = 234,329,369,170,979.28/19,964,145.90
  6. Step 6: Final answer
    x = 11,737,510.35

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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.