Home / 13,636,267.94-18,821,985.10-8,059,680.38

Finding the Fourth Proportional to 13,636,267.94, 18,821,985.10 and 8,059,680.38

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Solution

The fourth proportional to 13,636,267.94, 18,821,985.10 and 8,059,680.38 is: 11,124,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,267.94 : 18,821,985.10 = 8,059,680.38 : x
  2. Step 2: Convert to fraction form
    13,636,267.94/18,821,985.10 = 8,059,680.38/x
  3. Step 3: Cross multiply
    13,636,267.94x = 18,821,985.10 × 8,059,680.38
  4. Step 4: Simplify right side
    13,636,267.94x = 151,699,184,023,122.34
  5. Step 5: Solve for x
    x = 151,699,184,023,122.34/13,636,267.94
  6. Step 6: Final answer
    x = 11,124,684.90

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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.