Home / 11,870,000.80-17,805,001.20-11,744,029.60

Finding the Fourth Proportional to 11,870,000.80, 17,805,001.20 and 11,744,029.60

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Solution

The fourth proportional to 11,870,000.80, 17,805,001.20 and 11,744,029.60 is: 17,616,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870,000.80 : 17,805,001.20 = 11,744,029.60 : x
  2. Step 2: Convert to fraction form
    11,870,000.80/17,805,001.20 = 11,744,029.60/x
  3. Step 3: Cross multiply
    11,870,000.80x = 17,805,001.20 × 11,744,029.60
  4. Step 4: Simplify right side
    11,870,000.80x = 209,102,461,120,835.50
  5. Step 5: Solve for x
    x = 209,102,461,120,835.50/11,870,000.80
  6. Step 6: Final answer
    x = 17,616,044.40

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1.5x scale

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.