Home / 8,609,849.78-11,881,591.38-4,742,370.86

Finding the Fourth Proportional to 8,609,849.78, 11,881,591.38 and 4,742,370.86

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Solution

The fourth proportional to 8,609,849.78, 11,881,591.38 and 4,742,370.86 is: 6,544,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,849.78 : 11,881,591.38 = 4,742,370.86 : x
  2. Step 2: Convert to fraction form
    8,609,849.78/11,881,591.38 = 4,742,370.86/x
  3. Step 3: Cross multiply
    8,609,849.78x = 11,881,591.38 × 4,742,370.86
  4. Step 4: Simplify right side
    8,609,849.78x = 56,346,912,671,531.24
  5. Step 5: Solve for x
    x = 56,346,912,671,531.24/8,609,849.78
  6. Step 6: Final answer
    x = 6,544,471.06

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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.