Home / 19,223,828.22-28,847,085.57-7,101,870.42

Finding the Fourth Proportional to 19,223,828.22, 28,847,085.57 and 7,101,870.42

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Solution

The fourth proportional to 19,223,828.22, 28,847,085.57 and 7,101,870.42 is: 10,656,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,828.22 : 28,847,085.57 = 7,101,870.42 : x
  2. Step 2: Convert to fraction form
    19,223,828.22/28,847,085.57 = 7,101,870.42/x
  3. Step 3: Cross multiply
    19,223,828.22x = 28,847,085.57 × 7,101,870.42
  4. Step 4: Simplify right side
    19,223,828.22x = 204,868,263,712,791.84
  5. Step 5: Solve for x
    x = 204,868,263,712,791.84/19,223,828.22
  6. Step 6: Final answer
    x = 10,656,996.17

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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.