Home / 13,742,269.29-20,613,392.21-3,507,128.26

Finding the Fourth Proportional to 13,742,269.29, 20,613,392.21 and 3,507,128.26

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Solution

The fourth proportional to 13,742,269.29, 20,613,392.21 and 3,507,128.26 is: 5,260,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,269.29 : 20,613,392.21 = 3,507,128.26 : x
  2. Step 2: Convert to fraction form
    13,742,269.29/20,613,392.21 = 3,507,128.26/x
  3. Step 3: Cross multiply
    13,742,269.29x = 20,613,392.21 × 3,507,128.26
  4. Step 4: Simplify right side
    13,742,269.29x = 72,293,810,311,389.19
  5. Step 5: Solve for x
    x = 72,293,810,311,389.19/13,742,269.29
  6. Step 6: Final answer
    x = 5,260,689.39

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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.