Home / 8,047,603.20-12,071,404.80-2,657,085.60

Finding the Fourth Proportional to 8,047,603.20, 12,071,404.80 and 2,657,085.60

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Solution

The fourth proportional to 8,047,603.20, 12,071,404.80 and 2,657,085.60 is: 3,985,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,603.20 : 12,071,404.80 = 2,657,085.60 : x
  2. Step 2: Convert to fraction form
    8,047,603.20/12,071,404.80 = 2,657,085.60/x
  3. Step 3: Cross multiply
    8,047,603.20x = 12,071,404.80 × 2,657,085.60
  4. Step 4: Simplify right side
    8,047,603.20x = 32,074,755,865,850.88
  5. Step 5: Solve for x
    x = 32,074,755,865,850.88/8,047,603.20
  6. Step 6: Final answer
    x = 3,985,628.40

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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.