Home / 12,919,785.03-19,382,433.17-6,446,341.17

Finding the Fourth Proportional to 12,919,785.03, 19,382,433.17 and 6,446,341.17

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Solution

The fourth proportional to 12,919,785.03, 19,382,433.17 and 6,446,341.17 is: 9,670,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,785.03 : 19,382,433.17 = 6,446,341.17 : x
  2. Step 2: Convert to fraction form
    12,919,785.03/19,382,433.17 = 6,446,341.17/x
  3. Step 3: Cross multiply
    12,919,785.03x = 19,382,433.17 × 6,446,341.17
  4. Step 4: Simplify right side
    12,919,785.03x = 124,945,776,886,312.89
  5. Step 5: Solve for x
    x = 124,945,776,886,312.89/12,919,785.03
  6. Step 6: Final answer
    x = 9,670,886.67

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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.