Home / 28,973,904.40-43,460,856.60-19,400,093.20

Finding the Fourth Proportional to 28,973,904.40, 43,460,856.60 and 19,400,093.20

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Solution

The fourth proportional to 28,973,904.40, 43,460,856.60 and 19,400,093.20 is: 29,100,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,904.40 : 43,460,856.60 = 19,400,093.20 : x
  2. Step 2: Convert to fraction form
    28,973,904.40/43,460,856.60 = 19,400,093.20/x
  3. Step 3: Cross multiply
    28,973,904.40x = 43,460,856.60 × 19,400,093.20
  4. Step 4: Simplify right side
    28,973,904.40x = 843,144,668,591,835.12
  5. Step 5: Solve for x
    x = 843,144,668,591,835.12/28,973,904.40
  6. Step 6: Final answer
    x = 29,100,139.80

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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.