Home / 28,546,072.19-42,819,108.29-6,980,417.85

Finding the Fourth Proportional to 28,546,072.19, 42,819,108.29 and 6,980,417.85

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Solution

The fourth proportional to 28,546,072.19, 42,819,108.29 and 6,980,417.85 is: 10,470,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,072.19 : 42,819,108.29 = 6,980,417.85 : x
  2. Step 2: Convert to fraction form
    28,546,072.19/42,819,108.29 = 6,980,417.85/x
  3. Step 3: Cross multiply
    28,546,072.19x = 42,819,108.29 × 6,980,417.85
  4. Step 4: Simplify right side
    28,546,072.19x = 298,895,267,846,050
  5. Step 5: Solve for x
    x = 298,895,267,846,050/28,546,072.19
  6. Step 6: Final answer
    x = 10,470,626.78

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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.