Home / 6,651,528.80-9,977,293.20-6,385,808.30

Finding the Fourth Proportional to 6,651,528.80, 9,977,293.20 and 6,385,808.30

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Solution

The fourth proportional to 6,651,528.80, 9,977,293.20 and 6,385,808.30 is: 9,578,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,528.80 : 9,977,293.20 = 6,385,808.30 : x
  2. Step 2: Convert to fraction form
    6,651,528.80/9,977,293.20 = 6,385,808.30/x
  3. Step 3: Cross multiply
    6,651,528.80x = 9,977,293.20 × 6,385,808.30
  4. Step 4: Simplify right side
    6,651,528.80x = 63,713,081,728,093.55
  5. Step 5: Solve for x
    x = 63,713,081,728,093.55/6,651,528.80
  6. Step 6: Final answer
    x = 9,578,712.45

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Double scale
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Similar ratio
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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.