Home / 13,311,187.30-19,931,351.55-8,492,788.90

Finding the Fourth Proportional to 13,311,187.30, 19,931,351.55 and 8,492,788.90

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Solution

The fourth proportional to 13,311,187.30, 19,931,351.55 and 8,492,788.90 is: 12,716,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,187.30 : 19,931,351.55 = 8,492,788.90 : x
  2. Step 2: Convert to fraction form
    13,311,187.30/19,931,351.55 = 8,492,788.90/x
  3. Step 3: Cross multiply
    13,311,187.30x = 19,931,351.55 × 8,492,788.90
  4. Step 4: Simplify right side
    13,311,187.30x = 169,272,761,205,837.81
  5. Step 5: Solve for x
    x = 169,272,761,205,837.81/13,311,187.30
  6. Step 6: Final answer
    x = 12,716,578.72

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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.