Home / 21,032,743.53-31,545,957.63-6,653,942.94

Finding the Fourth Proportional to 21,032,743.53, 31,545,957.63 and 6,653,942.94

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Solution

The fourth proportional to 21,032,743.53, 31,545,957.63 and 6,653,942.94 is: 9,979,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,743.53 : 31,545,957.63 = 6,653,942.94 : x
  2. Step 2: Convert to fraction form
    21,032,743.53/31,545,957.63 = 6,653,942.94/x
  3. Step 3: Cross multiply
    21,032,743.53x = 31,545,957.63 × 6,653,942.94
  4. Step 4: Simplify right side
    21,032,743.53x = 209,905,002,057,677.62
  5. Step 5: Solve for x
    x = 209,905,002,057,677.62/21,032,743.53
  6. Step 6: Final answer
    x = 9,979,915.45

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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.