Home / 9,328,784.77-12,873,156.65-5,142,286.17

Finding the Fourth Proportional to 9,328,784.77, 12,873,156.65 and 5,142,286.17

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Solution

The fourth proportional to 9,328,784.77, 12,873,156.65 and 5,142,286.17 is: 7,096,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,784.77 : 12,873,156.65 = 5,142,286.17 : x
  2. Step 2: Convert to fraction form
    9,328,784.77/12,873,156.65 = 5,142,286.17/x
  3. Step 3: Cross multiply
    9,328,784.77x = 12,873,156.65 × 5,142,286.17
  4. Step 4: Simplify right side
    9,328,784.77x = 66,197,455,399,110.67
  5. Step 5: Solve for x
    x = 66,197,455,399,110.67/9,328,784.77
  6. Step 6: Final answer
    x = 7,096,042.74

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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.