Home / 13,742,916.27-20,609,796.74-5,543,440.77

Finding the Fourth Proportional to 13,742,916.27, 20,609,796.74 and 5,543,440.77

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Solution

The fourth proportional to 13,742,916.27, 20,609,796.74 and 5,543,440.77 is: 8,313,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,916.27 : 20,609,796.74 = 5,543,440.77 : x
  2. Step 2: Convert to fraction form
    13,742,916.27/20,609,796.74 = 5,543,440.77/x
  3. Step 3: Cross multiply
    13,742,916.27x = 20,609,796.74 × 5,543,440.77
  4. Step 4: Simplify right side
    13,742,916.27x = 114,249,187,559,498.61
  5. Step 5: Solve for x
    x = 114,249,187,559,498.61/13,742,916.27
  6. Step 6: Final answer
    x = 8,313,314.68

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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.