Home / 19,159,619.40-28,739,429.10-18,214,835.40

Finding the Fourth Proportional to 19,159,619.40, 28,739,429.10 and 18,214,835.40

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Solution

The fourth proportional to 19,159,619.40, 28,739,429.10 and 18,214,835.40 is: 27,322,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,619.40 : 28,739,429.10 = 18,214,835.40 : x
  2. Step 2: Convert to fraction form
    19,159,619.40/28,739,429.10 = 18,214,835.40/x
  3. Step 3: Cross multiply
    19,159,619.40x = 28,739,429.10 × 18,214,835.40
  4. Step 4: Simplify right side
    19,159,619.40x = 523,483,970,546,470.12
  5. Step 5: Solve for x
    x = 523,483,970,546,470.12/19,159,619.40
  6. Step 6: Final answer
    x = 27,322,253.10

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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.