Home / 15,283,825.54-21,091,816.23-8,314,654.95

Finding the Fourth Proportional to 15,283,825.54, 21,091,816.23 and 8,314,654.95

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Solution

The fourth proportional to 15,283,825.54, 21,091,816.23 and 8,314,654.95 is: 11,474,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,825.54 : 21,091,816.23 = 8,314,654.95 : x
  2. Step 2: Convert to fraction form
    15,283,825.54/21,091,816.23 = 8,314,654.95/x
  3. Step 3: Cross multiply
    15,283,825.54x = 21,091,816.23 × 8,314,654.95
  4. Step 4: Simplify right side
    15,283,825.54x = 175,371,174,221,259.84
  5. Step 5: Solve for x
    x = 175,371,174,221,259.84/15,283,825.54
  6. Step 6: Final answer
    x = 11,474,298.35

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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.