Home / 7,886,686.92-11,831,741.69-2,421,800.37

Finding the Fourth Proportional to 7,886,686.92, 11,831,741.69 and 2,421,800.37

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Solution

The fourth proportional to 7,886,686.92, 11,831,741.69 and 2,421,800.37 is: 3,633,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,686.92 : 11,831,741.69 = 2,421,800.37 : x
  2. Step 2: Convert to fraction form
    7,886,686.92/11,831,741.69 = 2,421,800.37/x
  3. Step 3: Cross multiply
    7,886,686.92x = 11,831,741.69 × 2,421,800.37
  4. Step 4: Simplify right side
    7,886,686.92x = 28,654,116,390,477.43
  5. Step 5: Solve for x
    x = 28,654,116,390,477.43/7,886,686.92
  6. Step 6: Final answer
    x = 3,633,226.05

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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.