Home / 18,489,015.30-27,710,807.67-10,384,955.58

Finding the Fourth Proportional to 18,489,015.30, 27,710,807.67 and 10,384,955.58

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Solution

The fourth proportional to 18,489,015.30, 27,710,807.67 and 10,384,955.58 is: 15,564,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,015.30 : 27,710,807.67 = 10,384,955.58 : x
  2. Step 2: Convert to fraction form
    18,489,015.30/27,710,807.67 = 10,384,955.58/x
  3. Step 3: Cross multiply
    18,489,015.30x = 27,710,807.67 × 10,384,955.58
  4. Step 4: Simplify right side
    18,489,015.30x = 287,775,506,738,873.31
  5. Step 5: Solve for x
    x = 287,775,506,738,873.31/18,489,015.30
  6. Step 6: Final answer
    x = 15,564,674.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.