Home / 19,555,590.92-26,989,527.11-11,715,438.51

Finding the Fourth Proportional to 19,555,590.92, 26,989,527.11 and 11,715,438.51

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Solution

The fourth proportional to 19,555,590.92, 26,989,527.11 and 11,715,438.51 is: 16,168,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555,590.92 : 26,989,527.11 = 11,715,438.51 : x
  2. Step 2: Convert to fraction form
    19,555,590.92/26,989,527.11 = 11,715,438.51/x
  3. Step 3: Cross multiply
    19,555,590.92x = 26,989,527.11 × 11,715,438.51
  4. Step 4: Simplify right side
    19,555,590.92x = 316,194,145,212,605.81
  5. Step 5: Solve for x
    x = 316,194,145,212,605.81/19,555,590.92
  6. Step 6: Final answer
    x = 16,168,989.55

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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.