Home / 25,211,025.73-34,790,742.93-15,420,750.67

Finding the Fourth Proportional to 25,211,025.73, 34,790,742.93 and 15,420,750.67

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Solution

The fourth proportional to 25,211,025.73, 34,790,742.93 and 15,420,750.67 is: 21,280,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211,025.73 : 34,790,742.93 = 15,420,750.67 : x
  2. Step 2: Convert to fraction form
    25,211,025.73/34,790,742.93 = 15,420,750.67/x
  3. Step 3: Cross multiply
    25,211,025.73x = 34,790,742.93 × 15,420,750.67
  4. Step 4: Simplify right side
    25,211,025.73x = 536,499,372,347,595.25
  5. Step 5: Solve for x
    x = 536,499,372,347,595.25/25,211,025.73
  6. Step 6: Final answer
    x = 21,280,346.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.