Home / 10,369,826.35-15,554,739.53-7,181,180.35

Finding the Fourth Proportional to 10,369,826.35, 15,554,739.53 and 7,181,180.35

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Solution

The fourth proportional to 10,369,826.35, 15,554,739.53 and 7,181,180.35 is: 10,771,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,826.35 : 15,554,739.53 = 7,181,180.35 : x
  2. Step 2: Convert to fraction form
    10,369,826.35/15,554,739.53 = 7,181,180.35/x
  3. Step 3: Cross multiply
    10,369,826.35x = 15,554,739.53 × 7,181,180.35
  4. Step 4: Simplify right side
    10,369,826.35x = 111,701,389,862,204.22
  5. Step 5: Solve for x
    x = 111,701,389,862,204.22/10,369,826.35
  6. Step 6: Final answer
    x = 10,771,770.53

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Double scale
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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.