Home / 7,429,919.40-11,144,879.10-6,845,334.30

Finding the Fourth Proportional to 7,429,919.40, 11,144,879.10 and 6,845,334.30

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Solution

The fourth proportional to 7,429,919.40, 11,144,879.10 and 6,845,334.30 is: 10,268,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,919.40 : 11,144,879.10 = 6,845,334.30 : x
  2. Step 2: Convert to fraction form
    7,429,919.40/11,144,879.10 = 6,845,334.30/x
  3. Step 3: Cross multiply
    7,429,919.40x = 11,144,879.10 × 6,845,334.30
  4. Step 4: Simplify right side
    7,429,919.40x = 76,290,423,172,583.12
  5. Step 5: Solve for x
    x = 76,290,423,172,583.12/7,429,919.40
  6. Step 6: Final answer
    x = 10,268,001.45

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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.