Home / 7,338,378.80-10,131,759-4,767,386.96

Finding the Fourth Proportional to 7,338,378.80, 10,131,759 and 4,767,386.96

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Solution

The fourth proportional to 7,338,378.80, 10,131,759 and 4,767,386.96 is: 6,582,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,378.80 : 10,131,759 = 4,767,386.96 : x
  2. Step 2: Convert to fraction form
    7,338,378.80/10,131,759 = 4,767,386.96/x
  3. Step 3: Cross multiply
    7,338,378.80x = 10,131,759 × 4,767,386.96
  4. Step 4: Simplify right side
    7,338,378.80x = 48,302,015,738,462.64
  5. Step 5: Solve for x
    x = 48,302,015,738,462.64/7,338,378.80
  6. Step 6: Final answer
    x = 6,582,109.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.