Home / 21,695,089.36-29,939,590.74-11,906,444.30

Finding the Fourth Proportional to 21,695,089.36, 29,939,590.74 and 11,906,444.30

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Solution

The fourth proportional to 21,695,089.36, 29,939,590.74 and 11,906,444.30 is: 16,431,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,089.36 : 29,939,590.74 = 11,906,444.30 : x
  2. Step 2: Convert to fraction form
    21,695,089.36/29,939,590.74 = 11,906,444.30/x
  3. Step 3: Cross multiply
    21,695,089.36x = 29,939,590.74 × 11,906,444.30
  4. Step 4: Simplify right side
    21,695,089.36x = 356,474,069,510,605.81
  5. Step 5: Solve for x
    x = 356,474,069,510,605.81/21,695,089.36
  6. Step 6: Final answer
    x = 16,431,094.78

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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.