Home / 19,471,808.23-29,158,272.89-11,685,821.52

Finding the Fourth Proportional to 19,471,808.23, 29,158,272.89 and 11,685,821.52

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Solution

The fourth proportional to 19,471,808.23, 29,158,272.89 and 11,685,821.52 is: 17,499,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471,808.23 : 29,158,272.89 = 11,685,821.52 : x
  2. Step 2: Convert to fraction form
    19,471,808.23/29,158,272.89 = 11,685,821.52/x
  3. Step 3: Cross multiply
    19,471,808.23x = 29,158,272.89 × 11,685,821.52
  4. Step 4: Simplify right side
    19,471,808.23x = 340,738,372,823,994.56
  5. Step 5: Solve for x
    x = 340,738,372,823,994.56/19,471,808.23
  6. Step 6: Final answer
    x = 17,499,061.66

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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.