Home / 7,416,276.80-11,124,415.20-6,140,818.40

Finding the Fourth Proportional to 7,416,276.80, 11,124,415.20 and 6,140,818.40

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Solution

The fourth proportional to 7,416,276.80, 11,124,415.20 and 6,140,818.40 is: 9,211,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416,276.80 : 11,124,415.20 = 6,140,818.40 : x
  2. Step 2: Convert to fraction form
    7,416,276.80/11,124,415.20 = 6,140,818.40/x
  3. Step 3: Cross multiply
    7,416,276.80x = 11,124,415.20 × 6,140,818.40
  4. Step 4: Simplify right side
    7,416,276.80x = 68,313,013,549,399.68
  5. Step 5: Solve for x
    x = 68,313,013,549,399.68/7,416,276.80
  6. Step 6: Final answer
    x = 9,211,227.60

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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.