Home / 8,068,276.80-12,102,415.20-7,452,417.60

Finding the Fourth Proportional to 8,068,276.80, 12,102,415.20 and 7,452,417.60

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Solution

The fourth proportional to 8,068,276.80, 12,102,415.20 and 7,452,417.60 is: 11,178,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,276.80 : 12,102,415.20 = 7,452,417.60 : x
  2. Step 2: Convert to fraction form
    8,068,276.80/12,102,415.20 = 7,452,417.60/x
  3. Step 3: Cross multiply
    8,068,276.80x = 12,102,415.20 × 7,452,417.60
  4. Step 4: Simplify right side
    8,068,276.80x = 90,192,252,038,987.52
  5. Step 5: Solve for x
    x = 90,192,252,038,987.52/8,068,276.80
  6. Step 6: Final answer
    x = 11,178,626.40

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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.