Home / 13,697,518.82-20,545,779.87-4,112,648.28

Finding the Fourth Proportional to 13,697,518.82, 20,545,779.87 and 4,112,648.28

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Solution

The fourth proportional to 13,697,518.82, 20,545,779.87 and 4,112,648.28 is: 6,168,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,518.82 : 20,545,779.87 = 4,112,648.28 : x
  2. Step 2: Convert to fraction form
    13,697,518.82/20,545,779.87 = 4,112,648.28/x
  3. Step 3: Cross multiply
    13,697,518.82x = 20,545,779.87 × 4,112,648.28
  4. Step 4: Simplify right side
    13,697,518.82x = 84,497,566,243,614.12
  5. Step 5: Solve for x
    x = 84,497,566,243,614.12/13,697,518.82
  6. Step 6: Final answer
    x = 6,168,822.79

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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.