Home / 14,280,112.78-19,706,354.04-8,084,999.74

Finding the Fourth Proportional to 14,280,112.78, 19,706,354.04 and 8,084,999.74

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Solution

The fourth proportional to 14,280,112.78, 19,706,354.04 and 8,084,999.74 is: 11,157,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280,112.78 : 19,706,354.04 = 8,084,999.74 : x
  2. Step 2: Convert to fraction form
    14,280,112.78/19,706,354.04 = 8,084,999.74/x
  3. Step 3: Cross multiply
    14,280,112.78x = 19,706,354.04 × 8,084,999.74
  4. Step 4: Simplify right side
    14,280,112.78x = 159,325,867,289,747.94
  5. Step 5: Solve for x
    x = 159,325,867,289,747.94/14,280,112.78
  6. Step 6: Final answer
    x = 11,157,185.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.