Home / 8,629,849.19-11,909,477.85-4,709,819.81

Finding the Fourth Proportional to 8,629,849.19, 11,909,477.85 and 4,709,819.81

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Solution

The fourth proportional to 8,629,849.19, 11,909,477.85 and 4,709,819.81 is: 6,499,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,849.19 : 11,909,477.85 = 4,709,819.81 : x
  2. Step 2: Convert to fraction form
    8,629,849.19/11,909,477.85 = 4,709,819.81/x
  3. Step 3: Cross multiply
    8,629,849.19x = 11,909,477.85 × 4,709,819.81
  4. Step 4: Simplify right side
    8,629,849.19x = 56,091,494,704,686.20
  5. Step 5: Solve for x
    x = 56,091,494,704,686.20/8,629,849.19
  6. Step 6: Final answer
    x = 6,499,707.41

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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.