Home / 13,742,269.17-20,613,392.03-3,507,128.14

Finding the Fourth Proportional to 13,742,269.17, 20,613,392.03 and 3,507,128.14

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Solution

The fourth proportional to 13,742,269.17, 20,613,392.03 and 3,507,128.14 is: 5,260,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,269.17 : 20,613,392.03 = 3,507,128.14 : x
  2. Step 2: Convert to fraction form
    13,742,269.17/20,613,392.03 = 3,507,128.14/x
  3. Step 3: Cross multiply
    13,742,269.17x = 20,613,392.03 × 3,507,128.14
  4. Step 4: Simplify right side
    13,742,269.17x = 72,293,807,180,195.61
  5. Step 5: Solve for x
    x = 72,293,807,180,195.61/13,742,269.17
  6. Step 6: Final answer
    x = 5,260,689.21

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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.