Home / 13,012,754.40-19,519,131.60-8,229,785.40

Finding the Fourth Proportional to 13,012,754.40, 19,519,131.60 and 8,229,785.40

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Solution

The fourth proportional to 13,012,754.40, 19,519,131.60 and 8,229,785.40 is: 12,344,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,754.40 : 19,519,131.60 = 8,229,785.40 : x
  2. Step 2: Convert to fraction form
    13,012,754.40/19,519,131.60 = 8,229,785.40/x
  3. Step 3: Cross multiply
    13,012,754.40x = 19,519,131.60 × 8,229,785.40
  4. Step 4: Simplify right side
    13,012,754.40x = 160,638,264,262,358.66
  5. Step 5: Solve for x
    x = 160,638,264,262,358.66/13,012,754.40
  6. Step 6: Final answer
    x = 12,344,678.10

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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.