Home / 38,557,772.80-57,796,304.64-12,989,946.88

Finding the Fourth Proportional to 38,557,772.80, 57,796,304.64 and 12,989,946.88

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Solution

The fourth proportional to 38,557,772.80, 57,796,304.64 and 12,989,946.88 is: 19,471,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557,772.80 : 57,796,304.64 = 12,989,946.88 : x
  2. Step 2: Convert to fraction form
    38,557,772.80/57,796,304.64 = 12,989,946.88/x
  3. Step 3: Cross multiply
    38,557,772.80x = 57,796,304.64 × 12,989,946.88
  4. Step 4: Simplify right side
    38,557,772.80x = 750,770,927,133,897.62
  5. Step 5: Solve for x
    x = 750,770,927,133,897.62/38,557,772.80
  6. Step 6: Final answer
    x = 19,471,325.04

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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.