Home / 7,148,021.60-10,722,032.40-6,392,194.40

Finding the Fourth Proportional to 7,148,021.60, 10,722,032.40 and 6,392,194.40

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Solution

The fourth proportional to 7,148,021.60, 10,722,032.40 and 6,392,194.40 is: 9,588,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,021.60 : 10,722,032.40 = 6,392,194.40 : x
  2. Step 2: Convert to fraction form
    7,148,021.60/10,722,032.40 = 6,392,194.40/x
  3. Step 3: Cross multiply
    7,148,021.60x = 10,722,032.40 × 6,392,194.40
  4. Step 4: Simplify right side
    7,148,021.60x = 68,537,315,463,898.56
  5. Step 5: Solve for x
    x = 68,537,315,463,898.56/7,148,021.60
  6. Step 6: Final answer
    x = 9,588,291.60

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Double scale
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Similar ratio
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1.5x scale

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.