Home / 13,006,065.12-19,509,540-6,179,114.88

Finding the Fourth Proportional to 13,006,065.12, 19,509,540 and 6,179,114.88

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Solution

The fourth proportional to 13,006,065.12, 19,509,540 and 6,179,114.88 is: 9,268,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,065.12 : 19,509,540 = 6,179,114.88 : x
  2. Step 2: Convert to fraction form
    13,006,065.12/19,509,540 = 6,179,114.88/x
  3. Step 3: Cross multiply
    13,006,065.12x = 19,509,540 × 6,179,114.88
  4. Step 4: Simplify right side
    13,006,065.12x = 120,551,688,915,955.20
  5. Step 5: Solve for x
    x = 120,551,688,915,955.20/13,006,065.12
  6. Step 6: Final answer
    x = 9,268,882.46

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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.