Home / 13,311,289.80-19,931,505.30-8,492,891.40

Finding the Fourth Proportional to 13,311,289.80, 19,931,505.30 and 8,492,891.40

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Solution

The fourth proportional to 13,311,289.80, 19,931,505.30 and 8,492,891.40 is: 12,716,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,289.80 : 19,931,505.30 = 8,492,891.40 : x
  2. Step 2: Convert to fraction form
    13,311,289.80/19,931,505.30 = 8,492,891.40/x
  3. Step 3: Cross multiply
    13,311,289.80x = 19,931,505.30 × 8,492,891.40
  4. Step 4: Simplify right side
    13,311,289.80x = 169,276,109,951,424.44
  5. Step 5: Solve for x
    x = 169,276,109,951,424.44/13,311,289.80
  6. Step 6: Final answer
    x = 12,716,732.37

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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.