Home / 21,276,794.85-31,919,675.88-6,898,741.44

Finding the Fourth Proportional to 21,276,794.85, 31,919,675.88 and 6,898,741.44

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Solution

The fourth proportional to 21,276,794.85, 31,919,675.88 and 6,898,741.44 is: 10,349,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,794.85 : 31,919,675.88 = 6,898,741.44 : x
  2. Step 2: Convert to fraction form
    21,276,794.85/31,919,675.88 = 6,898,741.44/x
  3. Step 3: Cross multiply
    21,276,794.85x = 31,919,675.88 × 6,898,741.44
  4. Step 4: Simplify right side
    21,276,794.85x = 220,205,590,744,724.47
  5. Step 5: Solve for x
    x = 220,205,590,744,724.47/21,276,794.85
  6. Step 6: Final answer
    x = 10,349,565.91

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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.