Home / 13,447,658.88-18,557,812.80-7,336,215.36

Finding the Fourth Proportional to 13,447,658.88, 18,557,812.80 and 7,336,215.36

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Solution

The fourth proportional to 13,447,658.88, 18,557,812.80 and 7,336,215.36 is: 10,124,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,658.88 : 18,557,812.80 = 7,336,215.36 : x
  2. Step 2: Convert to fraction form
    13,447,658.88/18,557,812.80 = 7,336,215.36/x
  3. Step 3: Cross multiply
    13,447,658.88x = 18,557,812.80 × 7,336,215.36
  4. Step 4: Simplify right side
    13,447,658.88x = 136,144,111,311,364.62
  5. Step 5: Solve for x
    x = 136,144,111,311,364.62/13,447,658.88
  6. Step 6: Final answer
    x = 10,124,000.95

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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.