Home / 12,557,820-18,839,538-4,579,644

Finding the Fourth Proportional to 12,557,820, 18,839,538 and 4,579,644

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Solution

The fourth proportional to 12,557,820, 18,839,538 and 4,579,644 is: 6,870,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,820 : 18,839,538 = 4,579,644 : x
  2. Step 2: Convert to fraction form
    12,557,820/18,839,538 = 4,579,644/x
  3. Step 3: Cross multiply
    12,557,820x = 18,839,538 × 4,579,644
  4. Step 4: Simplify right side
    12,557,820x = 86,278,377,164,472
  5. Step 5: Solve for x
    x = 86,278,377,164,472/12,557,820
  6. Step 6: Final answer
    x = 6,870,490.03

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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.