Home / 28,268,313.87-42,409,235.93-9,100,862.67

Finding the Fourth Proportional to 28,268,313.87, 42,409,235.93 and 9,100,862.67

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Solution

The fourth proportional to 28,268,313.87, 42,409,235.93 and 9,100,862.67 is: 13,653,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268,313.87 : 42,409,235.93 = 9,100,862.67 : x
  2. Step 2: Convert to fraction form
    28,268,313.87/42,409,235.93 = 9,100,862.67/x
  3. Step 3: Cross multiply
    28,268,313.87x = 42,409,235.93 × 9,100,862.67
  4. Step 4: Simplify right side
    28,268,313.87x = 385,960,632,093,055.38
  5. Step 5: Solve for x
    x = 385,960,632,093,055.38/28,268,313.87
  6. Step 6: Final answer
    x = 13,653,472.01

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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.