Home / 22,335,431.81-30,823,644.35-12,412,732.65

Finding the Fourth Proportional to 22,335,431.81, 30,823,644.35 and 12,412,732.65

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Solution

The fourth proportional to 22,335,431.81, 30,823,644.35 and 12,412,732.65 is: 17,129,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,431.81 : 30,823,644.35 = 12,412,732.65 : x
  2. Step 2: Convert to fraction form
    22,335,431.81/30,823,644.35 = 12,412,732.65/x
  3. Step 3: Cross multiply
    22,335,431.81x = 30,823,644.35 × 12,412,732.65
  4. Step 4: Simplify right side
    22,335,431.81x = 382,605,656,646,264.88
  5. Step 5: Solve for x
    x = 382,605,656,646,264.88/22,335,431.81
  6. Step 6: Final answer
    x = 17,129,987.01

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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.