Home / 9,946,714.50-14,920,071.78-3,215,128.50

Finding the Fourth Proportional to 9,946,714.50, 14,920,071.78 and 3,215,128.50

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Solution

The fourth proportional to 9,946,714.50, 14,920,071.78 and 3,215,128.50 is: 4,822,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946,714.50 : 14,920,071.78 = 3,215,128.50 : x
  2. Step 2: Convert to fraction form
    9,946,714.50/14,920,071.78 = 3,215,128.50/x
  3. Step 3: Cross multiply
    9,946,714.50x = 14,920,071.78 × 3,215,128.50
  4. Step 4: Simplify right side
    9,946,714.50x = 47,969,948,001,923.73
  5. Step 5: Solve for x
    x = 47,969,948,001,923.73/9,946,714.50
  6. Step 6: Final answer
    x = 4,822,692.76

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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.