Home / 18,173,045.42-25,078,962.89-9,913,144.41

Finding the Fourth Proportional to 18,173,045.42, 25,078,962.89 and 9,913,144.41

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Solution

The fourth proportional to 18,173,045.42, 25,078,962.89 and 9,913,144.41 is: 13,680,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,045.42 : 25,078,962.89 = 9,913,144.41 : x
  2. Step 2: Convert to fraction form
    18,173,045.42/25,078,962.89 = 9,913,144.41/x
  3. Step 3: Cross multiply
    18,173,045.42x = 25,078,962.89 × 9,913,144.41
  4. Step 4: Simplify right side
    18,173,045.42x = 248,611,380,799,833.81
  5. Step 5: Solve for x
    x = 248,611,380,799,833.81/18,173,045.42
  6. Step 6: Final answer
    x = 13,680,226.68

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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.