Home / 7,338,959.20-11,008,438.80-4,307,777.20

Finding the Fourth Proportional to 7,338,959.20, 11,008,438.80 and 4,307,777.20

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Solution

The fourth proportional to 7,338,959.20, 11,008,438.80 and 4,307,777.20 is: 6,461,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,959.20 : 11,008,438.80 = 4,307,777.20 : x
  2. Step 2: Convert to fraction form
    7,338,959.20/11,008,438.80 = 4,307,777.20/x
  3. Step 3: Cross multiply
    7,338,959.20x = 11,008,438.80 × 4,307,777.20
  4. Step 4: Simplify right side
    7,338,959.20x = 47,421,901,670,235.37
  5. Step 5: Solve for x
    x = 47,421,901,670,235.37/7,338,959.20
  6. Step 6: Final answer
    x = 6,461,665.80

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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.