Home / 13,590,902.40-20,386,353.60-12,961,046.40

Finding the Fourth Proportional to 13,590,902.40, 20,386,353.60 and 12,961,046.40

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Solution

The fourth proportional to 13,590,902.40, 20,386,353.60 and 12,961,046.40 is: 19,441,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,902.40 : 20,386,353.60 = 12,961,046.40 : x
  2. Step 2: Convert to fraction form
    13,590,902.40/20,386,353.60 = 12,961,046.40/x
  3. Step 3: Cross multiply
    13,590,902.40x = 20,386,353.60 × 12,961,046.40
  4. Step 4: Simplify right side
    13,590,902.40x = 264,228,474,936,407.06
  5. Step 5: Solve for x
    x = 264,228,474,936,407.06/13,590,902.40
  6. Step 6: Final answer
    x = 19,441,569.60

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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.