Home / 14,658,495.13-20,220,318.87-9,142,293.20

Finding the Fourth Proportional to 14,658,495.13, 20,220,318.87 and 9,142,293.20

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Solution

The fourth proportional to 14,658,495.13, 20,220,318.87 and 9,142,293.20 is: 12,611,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,495.13 : 20,220,318.87 = 9,142,293.20 : x
  2. Step 2: Convert to fraction form
    14,658,495.13/20,220,318.87 = 9,142,293.20/x
  3. Step 3: Cross multiply
    14,658,495.13x = 20,220,318.87 × 9,142,293.20
  4. Step 4: Simplify right side
    14,658,495.13x = 184,860,083,640,214.72
  5. Step 5: Solve for x
    x = 184,860,083,640,214.72/14,658,495.13
  6. Step 6: Final answer
    x = 12,611,122.90

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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.