Home / 13,286,927.10-18,335,959.23-7,175,355.06

Finding the Fourth Proportional to 13,286,927.10, 18,335,959.23 and 7,175,355.06

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Solution

The fourth proportional to 13,286,927.10, 18,335,959.23 and 7,175,355.06 is: 9,901,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,927.10 : 18,335,959.23 = 7,175,355.06 : x
  2. Step 2: Convert to fraction form
    13,286,927.10/18,335,959.23 = 7,175,355.06/x
  3. Step 3: Cross multiply
    13,286,927.10x = 18,335,959.23 × 7,175,355.06
  4. Step 4: Simplify right side
    13,286,927.10x = 131,567,017,840,934.20
  5. Step 5: Solve for x
    x = 131,567,017,840,934.20/13,286,927.10
  6. Step 6: Final answer
    x = 9,901,989.89

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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.