Home / 19,186,529.40-28,742,469.30-11,590,932.60

Finding the Fourth Proportional to 19,186,529.40, 28,742,469.30 and 11,590,932.60

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Solution

The fourth proportional to 19,186,529.40, 28,742,469.30 and 11,590,932.60 is: 17,363,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,529.40 : 28,742,469.30 = 11,590,932.60 : x
  2. Step 2: Convert to fraction form
    19,186,529.40/28,742,469.30 = 11,590,932.60/x
  3. Step 3: Cross multiply
    19,186,529.40x = 28,742,469.30 × 11,590,932.60
  4. Step 4: Simplify right side
    19,186,529.40x = 333,152,024,413,869.19
  5. Step 5: Solve for x
    x = 333,152,024,413,869.19/19,186,529.40
  6. Step 6: Final answer
    x = 17,363,850.31

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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.