Home / 13,312,963.20-18,371,962.44-7,432,863.24

Finding the Fourth Proportional to 13,312,963.20, 18,371,962.44 and 7,432,863.24

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Solution

The fourth proportional to 13,312,963.20, 18,371,962.44 and 7,432,863.24 is: 10,257,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,963.20 : 18,371,962.44 = 7,432,863.24 : x
  2. Step 2: Convert to fraction form
    13,312,963.20/18,371,962.44 = 7,432,863.24/x
  3. Step 3: Cross multiply
    13,312,963.20x = 18,371,962.44 × 7,432,863.24
  4. Step 4: Simplify right side
    13,312,963.20x = 136,556,284,266,936.72
  5. Step 5: Solve for x
    x = 136,556,284,266,936.72/13,312,963.20
  6. Step 6: Final answer
    x = 10,257,392.15

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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.