Home / 13,468,999.60-18,586,917.48-7,357,452.40

Finding the Fourth Proportional to 13,468,999.60, 18,586,917.48 and 7,357,452.40

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Solution

The fourth proportional to 13,468,999.60, 18,586,917.48 and 7,357,452.40 is: 10,153,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,999.60 : 18,586,917.48 = 7,357,452.40 : x
  2. Step 2: Convert to fraction form
    13,468,999.60/18,586,917.48 = 7,357,452.40/x
  3. Step 3: Cross multiply
    13,468,999.60x = 18,586,917.48 × 7,357,452.40
  4. Step 4: Simplify right side
    13,468,999.60x = 136,752,360,621,827.97
  5. Step 5: Solve for x
    x = 136,752,360,621,827.97/13,468,999.60
  6. Step 6: Final answer
    x = 10,153,119.36

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1.5x scale

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.