Home / 11,787,776.40-17,681,664.60-8,801,792.40

Finding the Fourth Proportional to 11,787,776.40, 17,681,664.60 and 8,801,792.40

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Solution

The fourth proportional to 11,787,776.40, 17,681,664.60 and 8,801,792.40 is: 13,202,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,776.40 : 17,681,664.60 = 8,801,792.40 : x
  2. Step 2: Convert to fraction form
    11,787,776.40/17,681,664.60 = 8,801,792.40/x
  3. Step 3: Cross multiply
    11,787,776.40x = 17,681,664.60 × 8,801,792.40
  4. Step 4: Simplify right side
    11,787,776.40x = 155,630,341,095,629.06
  5. Step 5: Solve for x
    x = 155,630,341,095,629.06/11,787,776.40
  6. Step 6: Final answer
    x = 13,202,688.60

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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.