Home / 6,612,156.80-9,918,235.20-6,570,166.40

Finding the Fourth Proportional to 6,612,156.80, 9,918,235.20 and 6,570,166.40

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Solution

The fourth proportional to 6,612,156.80, 9,918,235.20 and 6,570,166.40 is: 9,855,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612,156.80 : 9,918,235.20 = 6,570,166.40 : x
  2. Step 2: Convert to fraction form
    6,612,156.80/9,918,235.20 = 6,570,166.40/x
  3. Step 3: Cross multiply
    6,612,156.80x = 9,918,235.20 × 6,570,166.40
  4. Step 4: Simplify right side
    6,612,156.80x = 65,164,455,658,337.28
  5. Step 5: Solve for x
    x = 65,164,455,658,337.28/6,612,156.80
  6. Step 6: Final answer
    x = 9,855,249.60

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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.