Home / 10,692,000.80-16,038,001.20-9,609,581.60

Finding the Fourth Proportional to 10,692,000.80, 16,038,001.20 and 9,609,581.60

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Solution

The fourth proportional to 10,692,000.80, 16,038,001.20 and 9,609,581.60 is: 14,414,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,000.80 : 16,038,001.20 = 9,609,581.60 : x
  2. Step 2: Convert to fraction form
    10,692,000.80/16,038,001.20 = 9,609,581.60/x
  3. Step 3: Cross multiply
    10,692,000.80x = 16,038,001.20 × 9,609,581.60
  4. Step 4: Simplify right side
    10,692,000.80x = 154,118,481,232,297.91
  5. Step 5: Solve for x
    x = 154,118,481,232,297.91/10,692,000.80
  6. Step 6: Final answer
    x = 14,414,372.40

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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.