Home / 13,636,919.85-20,453,147.42-5,549,568.81

Finding the Fourth Proportional to 13,636,919.85, 20,453,147.42 and 5,549,568.81

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Solution

The fourth proportional to 13,636,919.85, 20,453,147.42 and 5,549,568.81 is: 8,323,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,919.85 : 20,453,147.42 = 5,549,568.81 : x
  2. Step 2: Convert to fraction form
    13,636,919.85/20,453,147.42 = 5,549,568.81/x
  3. Step 3: Cross multiply
    13,636,919.85x = 20,453,147.42 × 5,549,568.81
  4. Step 4: Simplify right side
    13,636,919.85x = 113,506,148,960,616.11
  5. Step 5: Solve for x
    x = 113,506,148,960,616.11/13,636,919.85
  6. Step 6: Final answer
    x = 8,323,444.75

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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.