Home / 8,428,724.64-12,637,966.95-3,305,015.82

Finding the Fourth Proportional to 8,428,724.64, 12,637,966.95 and 3,305,015.82

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Solution

The fourth proportional to 8,428,724.64, 12,637,966.95 and 3,305,015.82 is: 4,955,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,724.64 : 12,637,966.95 = 3,305,015.82 : x
  2. Step 2: Convert to fraction form
    8,428,724.64/12,637,966.95 = 3,305,015.82/x
  3. Step 3: Cross multiply
    8,428,724.64x = 12,637,966.95 × 3,305,015.82
  4. Step 4: Simplify right side
    8,428,724.64x = 41,768,680,702,387.14
  5. Step 5: Solve for x
    x = 41,768,680,702,387.14/8,428,724.64
  6. Step 6: Final answer
    x = 4,955,516.11

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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.