Home / 8,428,145-11,630,870.94-4,560,666.20

Finding the Fourth Proportional to 8,428,145, 11,630,870.94 and 4,560,666.20

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Solution

The fourth proportional to 8,428,145, 11,630,870.94 and 4,560,666.20 is: 6,293,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,145 : 11,630,870.94 = 4,560,666.20 : x
  2. Step 2: Convert to fraction form
    8,428,145/11,630,870.94 = 4,560,666.20/x
  3. Step 3: Cross multiply
    8,428,145x = 11,630,870.94 × 4,560,666.20
  4. Step 4: Simplify right side
    8,428,145x = 53,044,519,972,620.23
  5. Step 5: Solve for x
    x = 53,044,519,972,620.23/8,428,145
  6. Step 6: Final answer
    x = 6,293,736.04

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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.