Home / 28,973,906.40-43,460,859.60-19,400,095.20

Finding the Fourth Proportional to 28,973,906.40, 43,460,859.60 and 19,400,095.20

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Solution

The fourth proportional to 28,973,906.40, 43,460,859.60 and 19,400,095.20 is: 29,100,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,906.40 : 43,460,859.60 = 19,400,095.20 : x
  2. Step 2: Convert to fraction form
    28,973,906.40/43,460,859.60 = 19,400,095.20/x
  3. Step 3: Cross multiply
    28,973,906.40x = 43,460,859.60 × 19,400,095.20
  4. Step 4: Simplify right side
    28,973,906.40x = 843,144,813,713,833.88
  5. Step 5: Solve for x
    x = 843,144,813,713,833.88/28,973,906.40
  6. Step 6: Final answer
    x = 29,100,142.80

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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.