Home / 13,418,372.30-20,111,812.05-5,742,002.30

Finding the Fourth Proportional to 13,418,372.30, 20,111,812.05 and 5,742,002.30

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Solution

The fourth proportional to 13,418,372.30, 20,111,812.05 and 5,742,002.30 is: 8,606,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,372.30 : 20,111,812.05 = 5,742,002.30 : x
  2. Step 2: Convert to fraction form
    13,418,372.30/20,111,812.05 = 5,742,002.30/x
  3. Step 3: Cross multiply
    13,418,372.30x = 20,111,812.05 × 5,742,002.30
  4. Step 4: Simplify right side
    13,418,372.30x = 115,482,071,048,267.72
  5. Step 5: Solve for x
    x = 115,482,071,048,267.72/13,418,372.30
  6. Step 6: Final answer
    x = 8,606,265.24

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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.