Home / 12,411,975.60-18,617,963.40-11,516,180.40

Finding the Fourth Proportional to 12,411,975.60, 18,617,963.40 and 11,516,180.40

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Solution

The fourth proportional to 12,411,975.60, 18,617,963.40 and 11,516,180.40 is: 17,274,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,975.60 : 18,617,963.40 = 11,516,180.40 : x
  2. Step 2: Convert to fraction form
    12,411,975.60/18,617,963.40 = 11,516,180.40/x
  3. Step 3: Cross multiply
    12,411,975.60x = 18,617,963.40 × 11,516,180.40
  4. Step 4: Simplify right side
    12,411,975.60x = 214,407,825,194,997.34
  5. Step 5: Solve for x
    x = 214,407,825,194,997.34/12,411,975.60
  6. Step 6: Final answer
    x = 17,274,270.60

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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.