Home / 8,759,455.78-12,000,254.27-8,431,964.68

Finding the Fourth Proportional to 8,759,455.78, 12,000,254.27 and 8,431,964.68

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Solution

The fourth proportional to 8,759,455.78, 12,000,254.27 and 8,431,964.68 is: 11,551,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,455.78 : 12,000,254.27 = 8,431,964.68 : x
  2. Step 2: Convert to fraction form
    8,759,455.78/12,000,254.27 = 8,431,964.68/x
  3. Step 3: Cross multiply
    8,759,455.78x = 12,000,254.27 × 8,431,964.68
  4. Step 4: Simplify right side
    8,759,455.78x = 101,185,720,155,659.17
  5. Step 5: Solve for x
    x = 101,185,720,155,659.17/8,759,455.78
  6. Step 6: Final answer
    x = 11,551,598.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.