Home / 21,032,721.35-31,545,924.35-6,653,920.76

Finding the Fourth Proportional to 21,032,721.35, 31,545,924.35 and 6,653,920.76

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Solution

The fourth proportional to 21,032,721.35, 31,545,924.35 and 6,653,920.76 is: 9,979,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,721.35 : 31,545,924.35 = 6,653,920.76 : x
  2. Step 2: Convert to fraction form
    21,032,721.35/31,545,924.35 = 6,653,920.76/x
  3. Step 3: Cross multiply
    21,032,721.35x = 31,545,924.35 × 6,653,920.76
  4. Step 4: Simplify right side
    21,032,721.35x = 209,904,080,768,124.91
  5. Step 5: Solve for x
    x = 209,904,080,768,124.91/21,032,721.35
  6. Step 6: Final answer
    x = 9,979,882.17

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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.