Home / 12,887,429.84-17,784,528.14-7,007,063.94

Finding the Fourth Proportional to 12,887,429.84, 17,784,528.14 and 7,007,063.94

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Solution

The fourth proportional to 12,887,429.84, 17,784,528.14 and 7,007,063.94 is: 9,669,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,429.84 : 17,784,528.14 = 7,007,063.94 : x
  2. Step 2: Convert to fraction form
    12,887,429.84/17,784,528.14 = 7,007,063.94/x
  3. Step 3: Cross multiply
    12,887,429.84x = 17,784,528.14 × 7,007,063.94
  4. Step 4: Simplify right side
    12,887,429.84x = 124,617,325,890,447.08
  5. Step 5: Solve for x
    x = 124,617,325,890,447.08/12,887,429.84
  6. Step 6: Final answer
    x = 9,669,680.26

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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.