Home / 19,964,518.40-29,946,680.40-7,825,404.80

Finding the Fourth Proportional to 19,964,518.40, 29,946,680.40 and 7,825,404.80

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Solution

The fourth proportional to 19,964,518.40, 29,946,680.40 and 7,825,404.80 is: 11,738,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,518.40 : 29,946,680.40 = 7,825,404.80 : x
  2. Step 2: Convert to fraction form
    19,964,518.40/29,946,680.40 = 7,825,404.80/x
  3. Step 3: Cross multiply
    19,964,518.40x = 29,946,680.40 × 7,825,404.80
  4. Step 4: Simplify right side
    19,964,518.40x = 234,344,896,546,225.91
  5. Step 5: Solve for x
    x = 234,344,896,546,225.91/19,964,518.40
  6. Step 6: Final answer
    x = 11,738,069.10

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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.