Home / 13,116,702.52-18,102,467.82-7,960,281.40

Finding the Fourth Proportional to 13,116,702.52, 18,102,467.82 and 7,960,281.40

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Solution

The fourth proportional to 13,116,702.52, 18,102,467.82 and 7,960,281.40 is: 10,986,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,702.52 : 18,102,467.82 = 7,960,281.40 : x
  2. Step 2: Convert to fraction form
    13,116,702.52/18,102,467.82 = 7,960,281.40/x
  3. Step 3: Cross multiply
    13,116,702.52x = 18,102,467.82 × 7,960,281.40
  4. Step 4: Simplify right side
    13,116,702.52x = 144,100,737,881,644.56
  5. Step 5: Solve for x
    x = 144,100,737,881,644.56/13,116,702.52
  6. Step 6: Final answer
    x = 10,986,049.10

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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.