Home / 14,997,395.90-20,696,303.30-8,121,720.62

Finding the Fourth Proportional to 14,997,395.90, 20,696,303.30 and 8,121,720.62

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Solution

The fourth proportional to 14,997,395.90, 20,696,303.30 and 8,121,720.62 is: 11,207,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,395.90 : 20,696,303.30 = 8,121,720.62 : x
  2. Step 2: Convert to fraction form
    14,997,395.90/20,696,303.30 = 8,121,720.62/x
  3. Step 3: Cross multiply
    14,997,395.90x = 20,696,303.30 × 8,121,720.62
  4. Step 4: Simplify right side
    14,997,395.90x = 168,089,593,228,775.47
  5. Step 5: Solve for x
    x = 168,089,593,228,775.47/14,997,395.90
  6. Step 6: Final answer
    x = 11,207,918.65

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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.