Home / 25,152,129.60-37,728,194.40-9,201,998.40

Finding the Fourth Proportional to 25,152,129.60, 37,728,194.40 and 9,201,998.40

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Solution

The fourth proportional to 25,152,129.60, 37,728,194.40 and 9,201,998.40 is: 13,802,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152,129.60 : 37,728,194.40 = 9,201,998.40 : x
  2. Step 2: Convert to fraction form
    25,152,129.60/37,728,194.40 = 9,201,998.40/x
  3. Step 3: Cross multiply
    25,152,129.60x = 37,728,194.40 × 9,201,998.40
  4. Step 4: Simplify right side
    25,152,129.60x = 347,174,784,503,688.94
  5. Step 5: Solve for x
    x = 347,174,784,503,688.94/25,152,129.60
  6. Step 6: Final answer
    x = 13,802,997.60

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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.