Home / 8,155,870.20-11,255,818.04-4,485,433.57

Finding the Fourth Proportional to 8,155,870.20, 11,255,818.04 and 4,485,433.57

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Solution

The fourth proportional to 8,155,870.20, 11,255,818.04 and 4,485,433.57 is: 6,190,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,870.20 : 11,255,818.04 = 4,485,433.57 : x
  2. Step 2: Convert to fraction form
    8,155,870.20/11,255,818.04 = 4,485,433.57/x
  3. Step 3: Cross multiply
    8,155,870.20x = 11,255,818.04 × 4,485,433.57
  4. Step 4: Simplify right side
    8,155,870.20x = 50,487,224,094,427.60
  5. Step 5: Solve for x
    x = 50,487,224,094,427.60/8,155,870.20
  6. Step 6: Final answer
    x = 6,190,292.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.