Home / 25,211,024.73-34,790,741.55-15,420,749.67

Finding the Fourth Proportional to 25,211,024.73, 34,790,741.55 and 15,420,749.67

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Solution

The fourth proportional to 25,211,024.73, 34,790,741.55 and 15,420,749.67 is: 21,280,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211,024.73 : 34,790,741.55 = 15,420,749.67 : x
  2. Step 2: Convert to fraction form
    25,211,024.73/34,790,741.55 = 15,420,749.67/x
  3. Step 3: Cross multiply
    25,211,024.73x = 34,790,741.55 × 15,420,749.67
  4. Step 4: Simplify right side
    25,211,024.73x = 536,499,316,276,217.75
  5. Step 5: Solve for x
    x = 536,499,316,276,217.75/25,211,024.73
  6. Step 6: Final answer
    x = 21,280,345.48

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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.