Home / 8,140,523.60-12,210,785.40-4,946,628.80

Finding the Fourth Proportional to 8,140,523.60, 12,210,785.40 and 4,946,628.80

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Solution

The fourth proportional to 8,140,523.60, 12,210,785.40 and 4,946,628.80 is: 7,419,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,523.60 : 12,210,785.40 = 4,946,628.80 : x
  2. Step 2: Convert to fraction form
    8,140,523.60/12,210,785.40 = 4,946,628.80/x
  3. Step 3: Cross multiply
    8,140,523.60x = 12,210,785.40 × 4,946,628.80
  4. Step 4: Simplify right side
    8,140,523.60x = 60,402,222,730,259.52
  5. Step 5: Solve for x
    x = 60,402,222,730,259.52/8,140,523.60
  6. Step 6: Final answer
    x = 7,419,943.20

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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.