Home / 8,066,954.80-12,100,432.20-5,211,607.60

Finding the Fourth Proportional to 8,066,954.80, 12,100,432.20 and 5,211,607.60

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Solution

The fourth proportional to 8,066,954.80, 12,100,432.20 and 5,211,607.60 is: 7,817,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,954.80 : 12,100,432.20 = 5,211,607.60 : x
  2. Step 2: Convert to fraction form
    8,066,954.80/12,100,432.20 = 5,211,607.60/x
  3. Step 3: Cross multiply
    8,066,954.80x = 12,100,432.20 × 5,211,607.60
  4. Step 4: Simplify right side
    8,066,954.80x = 63,062,704,416,804.71
  5. Step 5: Solve for x
    x = 63,062,704,416,804.71/8,066,954.80
  6. Step 6: Final answer
    x = 7,817,411.40

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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.