Home / 9,128,601.79-13,689,749.45-2,649,920.67

Finding the Fourth Proportional to 9,128,601.79, 13,689,749.45 and 2,649,920.67

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Solution

The fourth proportional to 9,128,601.79, 13,689,749.45 and 2,649,920.67 is: 3,973,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,601.79 : 13,689,749.45 = 2,649,920.67 : x
  2. Step 2: Convert to fraction form
    9,128,601.79/13,689,749.45 = 2,649,920.67/x
  3. Step 3: Cross multiply
    9,128,601.79x = 13,689,749.45 × 2,649,920.67
  4. Step 4: Simplify right side
    9,128,601.79x = 36,276,750,041,300.94
  5. Step 5: Solve for x
    x = 36,276,750,041,300.94/9,128,601.79
  6. Step 6: Final answer
    x = 3,973,965.66

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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.