Home / 10,867,297.80-16,300,946.70-9,691,566.60

Finding the Fourth Proportional to 10,867,297.80, 16,300,946.70 and 9,691,566.60

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Solution

The fourth proportional to 10,867,297.80, 16,300,946.70 and 9,691,566.60 is: 14,537,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,297.80 : 16,300,946.70 = 9,691,566.60 : x
  2. Step 2: Convert to fraction form
    10,867,297.80/16,300,946.70 = 9,691,566.60/x
  3. Step 3: Cross multiply
    10,867,297.80x = 16,300,946.70 × 9,691,566.60
  4. Step 4: Simplify right side
    10,867,297.80x = 157,981,710,586,100.22
  5. Step 5: Solve for x
    x = 157,981,710,586,100.22/10,867,297.80
  6. Step 6: Final answer
    x = 14,537,349.90

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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.