Home / 19,963,276.80-29,944,915.20-7,179,168.30

Finding the Fourth Proportional to 19,963,276.80, 29,944,915.20 and 7,179,168.30

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Solution

The fourth proportional to 19,963,276.80, 29,944,915.20 and 7,179,168.30 is: 10,768,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,276.80 : 29,944,915.20 = 7,179,168.30 : x
  2. Step 2: Convert to fraction form
    19,963,276.80/29,944,915.20 = 7,179,168.30/x
  3. Step 3: Cross multiply
    19,963,276.80x = 29,944,915.20 × 7,179,168.30
  4. Step 4: Simplify right side
    19,963,276.80x = 214,979,585,950,028.16
  5. Step 5: Solve for x
    x = 214,979,585,950,028.16/19,963,276.80
  6. Step 6: Final answer
    x = 10,768,752.45

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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.