Home / 13,305,746.90-18,361,894.11-7,425,318.24

Finding the Fourth Proportional to 13,305,746.90, 18,361,894.11 and 7,425,318.24

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Solution

The fourth proportional to 13,305,746.90, 18,361,894.11 and 7,425,318.24 is: 10,246,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,746.90 : 18,361,894.11 = 7,425,318.24 : x
  2. Step 2: Convert to fraction form
    13,305,746.90/18,361,894.11 = 7,425,318.24/x
  3. Step 3: Cross multiply
    13,305,746.90x = 18,361,894.11 × 7,425,318.24
  4. Step 4: Simplify right side
    13,305,746.90x = 136,342,907,255,931.56
  5. Step 5: Solve for x
    x = 136,342,907,255,931.56/13,305,746.90
  6. Step 6: Final answer
    x = 10,246,918.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.