Home / 13,282,734.72-18,330,276.26-7,480,973.64

Finding the Fourth Proportional to 13,282,734.72, 18,330,276.26 and 7,480,973.64

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Solution

The fourth proportional to 13,282,734.72, 18,330,276.26 and 7,480,973.64 is: 10,323,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,734.72 : 18,330,276.26 = 7,480,973.64 : x
  2. Step 2: Convert to fraction form
    13,282,734.72/18,330,276.26 = 7,480,973.64/x
  3. Step 3: Cross multiply
    13,282,734.72x = 18,330,276.26 × 7,480,973.64
  4. Step 4: Simplify right side
    13,282,734.72x = 137,128,313,514,977.80
  5. Step 5: Solve for x
    x = 137,128,313,514,977.80/13,282,734.72
  6. Step 6: Final answer
    x = 10,323,801.27

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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.