Home / 15,477,790.42-21,359,622.39-8,508,761.72

Finding the Fourth Proportional to 15,477,790.42, 21,359,622.39 and 8,508,761.72

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Solution

The fourth proportional to 15,477,790.42, 21,359,622.39 and 8,508,761.72 is: 11,742,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477,790.42 : 21,359,622.39 = 8,508,761.72 : x
  2. Step 2: Convert to fraction form
    15,477,790.42/21,359,622.39 = 8,508,761.72/x
  3. Step 3: Cross multiply
    15,477,790.42x = 21,359,622.39 × 8,508,761.72
  4. Step 4: Simplify right side
    15,477,790.42x = 181,743,937,274,867.38
  5. Step 5: Solve for x
    x = 181,743,937,274,867.38/15,477,790.42
  6. Step 6: Final answer
    x = 11,742,240.48

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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.