Home / 19,941,772.20-29,912,658.30-6,478,600.20

Finding the Fourth Proportional to 19,941,772.20, 29,912,658.30 and 6,478,600.20

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Solution

The fourth proportional to 19,941,772.20, 29,912,658.30 and 6,478,600.20 is: 9,717,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941,772.20 : 29,912,658.30 = 6,478,600.20 : x
  2. Step 2: Convert to fraction form
    19,941,772.20/29,912,658.30 = 6,478,600.20/x
  3. Step 3: Cross multiply
    19,941,772.20x = 29,912,658.30 × 6,478,600.20
  4. Step 4: Simplify right side
    19,941,772.20x = 193,792,154,044,911.66
  5. Step 5: Solve for x
    x = 193,792,154,044,911.66/19,941,772.20
  6. Step 6: Final answer
    x = 9,717,900.30

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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.