Home / 10,926,420.80-16,389,631.20-9,844,001.60

Finding the Fourth Proportional to 10,926,420.80, 16,389,631.20 and 9,844,001.60

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Solution

The fourth proportional to 10,926,420.80, 16,389,631.20 and 9,844,001.60 is: 14,766,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,420.80 : 16,389,631.20 = 9,844,001.60 : x
  2. Step 2: Convert to fraction form
    10,926,420.80/16,389,631.20 = 9,844,001.60/x
  3. Step 3: Cross multiply
    10,926,420.80x = 16,389,631.20 × 9,844,001.60
  4. Step 4: Simplify right side
    10,926,420.80x = 161,339,555,756,209.91
  5. Step 5: Solve for x
    x = 161,339,555,756,209.91/10,926,420.80
  6. Step 6: Final answer
    x = 14,766,002.40

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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.