Home / 9,036,697.80-13,555,046.70-7,776,985.80

Finding the Fourth Proportional to 9,036,697.80, 13,555,046.70 and 7,776,985.80

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Solution

The fourth proportional to 9,036,697.80, 13,555,046.70 and 7,776,985.80 is: 11,665,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036,697.80 : 13,555,046.70 = 7,776,985.80 : x
  2. Step 2: Convert to fraction form
    9,036,697.80/13,555,046.70 = 7,776,985.80/x
  3. Step 3: Cross multiply
    9,036,697.80x = 13,555,046.70 × 7,776,985.80
  4. Step 4: Simplify right side
    9,036,697.80x = 105,417,405,704,236.86
  5. Step 5: Solve for x
    x = 105,417,405,704,236.86/9,036,697.80
  6. Step 6: Final answer
    x = 11,665,478.70

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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.