Home / 28,082,759.70-42,124,139.55-6,807,623.70

Finding the Fourth Proportional to 28,082,759.70, 42,124,139.55 and 6,807,623.70

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Solution

The fourth proportional to 28,082,759.70, 42,124,139.55 and 6,807,623.70 is: 10,211,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,759.70 : 42,124,139.55 = 6,807,623.70 : x
  2. Step 2: Convert to fraction form
    28,082,759.70/42,124,139.55 = 6,807,623.70/x
  3. Step 3: Cross multiply
    28,082,759.70x = 42,124,139.55 × 6,807,623.70
  4. Step 4: Simplify right side
    28,082,759.70x = 286,765,290,742,687.31
  5. Step 5: Solve for x
    x = 286,765,290,742,687.31/28,082,759.70
  6. Step 6: Final answer
    x = 10,211,435.55

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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.