Home / 14,042,330.40-21,063,495.60-6,850,162.20

Finding the Fourth Proportional to 14,042,330.40, 21,063,495.60 and 6,850,162.20

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Solution

The fourth proportional to 14,042,330.40, 21,063,495.60 and 6,850,162.20 is: 10,275,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,330.40 : 21,063,495.60 = 6,850,162.20 : x
  2. Step 2: Convert to fraction form
    14,042,330.40/21,063,495.60 = 6,850,162.20/x
  3. Step 3: Cross multiply
    14,042,330.40x = 21,063,495.60 × 6,850,162.20
  4. Step 4: Simplify right side
    14,042,330.40x = 144,288,361,358,986.34
  5. Step 5: Solve for x
    x = 144,288,361,358,986.34/14,042,330.40
  6. Step 6: Final answer
    x = 10,275,243.30

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Similar ratio
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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.