Home / 8,068,277.20-12,102,415.80-3,019,320.40

Finding the Fourth Proportional to 8,068,277.20, 12,102,415.80 and 3,019,320.40

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Solution

The fourth proportional to 8,068,277.20, 12,102,415.80 and 3,019,320.40 is: 4,528,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,277.20 : 12,102,415.80 = 3,019,320.40 : x
  2. Step 2: Convert to fraction form
    8,068,277.20/12,102,415.80 = 3,019,320.40/x
  3. Step 3: Cross multiply
    8,068,277.20x = 12,102,415.80 × 3,019,320.40
  4. Step 4: Simplify right side
    8,068,277.20x = 36,541,070,914,222.32
  5. Step 5: Solve for x
    x = 36,541,070,914,222.32/8,068,277.20
  6. Step 6: Final answer
    x = 4,528,980.60

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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.