Home / 7,377,904.70-11,066,857.05-5,213,066.30

Finding the Fourth Proportional to 7,377,904.70, 11,066,857.05 and 5,213,066.30

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Solution

The fourth proportional to 7,377,904.70, 11,066,857.05 and 5,213,066.30 is: 7,819,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377,904.70 : 11,066,857.05 = 5,213,066.30 : x
  2. Step 2: Convert to fraction form
    7,377,904.70/11,066,857.05 = 5,213,066.30/x
  3. Step 3: Cross multiply
    7,377,904.70x = 11,066,857.05 × 5,213,066.30
  4. Step 4: Simplify right side
    7,377,904.70x = 57,692,259,534,272.41
  5. Step 5: Solve for x
    x = 57,692,259,534,272.41/7,377,904.70
  6. Step 6: Final answer
    x = 7,819,599.45

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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.