Home / 13,509,421.38-20,265,247.44-4,411,316.70

Finding the Fourth Proportional to 13,509,421.38, 20,265,247.44 and 4,411,316.70

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Solution

The fourth proportional to 13,509,421.38, 20,265,247.44 and 4,411,316.70 is: 6,617,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,421.38 : 20,265,247.44 = 4,411,316.70 : x
  2. Step 2: Convert to fraction form
    13,509,421.38/20,265,247.44 = 4,411,316.70/x
  3. Step 3: Cross multiply
    13,509,421.38x = 20,265,247.44 × 4,411,316.70
  4. Step 4: Simplify right side
    13,509,421.38x = 89,396,424,461,704.25
  5. Step 5: Solve for x
    x = 89,396,424,461,704.25/13,509,421.38
  6. Step 6: Final answer
    x = 6,617,339.26

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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.