Home / 53,310,081.41-79,965,122.13-12,920,565.41

Finding the Fourth Proportional to 53,310,081.41, 79,965,122.13 and 12,920,565.41

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Solution

The fourth proportional to 53,310,081.41, 79,965,122.13 and 12,920,565.41 is: 19,380,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,081.41 : 79,965,122.13 = 12,920,565.41 : x
  2. Step 2: Convert to fraction form
    53,310,081.41/79,965,122.13 = 12,920,565.41/x
  3. Step 3: Cross multiply
    53,310,081.41x = 79,965,122.13 × 12,920,565.41
  4. Step 4: Simplify right side
    53,310,081.41x = 1,033,194,590,599,477.75
  5. Step 5: Solve for x
    x = 1,033,194,590,599,477.75/53,310,081.41
  6. Step 6: Final answer
    x = 19,380,848.11

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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.