Home / 13,742,729.70-20,616,427.35-4,158,032.10

Finding the Fourth Proportional to 13,742,729.70, 20,616,427.35 and 4,158,032.10

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Solution

The fourth proportional to 13,742,729.70, 20,616,427.35 and 4,158,032.10 is: 6,237,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,729.70 : 20,616,427.35 = 4,158,032.10 : x
  2. Step 2: Convert to fraction form
    13,742,729.70/20,616,427.35 = 4,158,032.10/x
  3. Step 3: Cross multiply
    13,742,729.70x = 20,616,427.35 × 4,158,032.10
  4. Step 4: Simplify right side
    13,742,729.70x = 85,723,766,708,617.94
  5. Step 5: Solve for x
    x = 85,723,766,708,617.94/13,742,729.70
  6. Step 6: Final answer
    x = 6,237,753.97

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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.