Home / 15,519,644.61-21,417,115.44-8,997,055.12

Finding the Fourth Proportional to 15,519,644.61, 21,417,115.44 and 8,997,055.12

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Solution

The fourth proportional to 15,519,644.61, 21,417,115.44 and 8,997,055.12 is: 12,415,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,644.61 : 21,417,115.44 = 8,997,055.12 : x
  2. Step 2: Convert to fraction form
    15,519,644.61/21,417,115.44 = 8,997,055.12/x
  3. Step 3: Cross multiply
    15,519,644.61x = 21,417,115.44 × 8,997,055.12
  4. Step 4: Simplify right side
    15,519,644.61x = 192,690,968,125,083.06
  5. Step 5: Solve for x
    x = 192,690,968,125,083.06/15,519,644.61
  6. Step 6: Final answer
    x = 12,415,939.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.