Home / 13,828,538.45-20,702,949.60-13,828,538.45

Finding the Fourth Proportional to 13,828,538.45, 20,702,949.60 and 13,828,538.45

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Solution

The fourth proportional to 13,828,538.45, 20,702,949.60 and 13,828,538.45 is: 20,702,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,538.45 : 20,702,949.60 = 13,828,538.45 : x
  2. Step 2: Convert to fraction form
    13,828,538.45/20,702,949.60 = 13,828,538.45/x
  3. Step 3: Cross multiply
    13,828,538.45x = 20,702,949.60 × 13,828,538.45
  4. Step 4: Simplify right side
    13,828,538.45x = 286,291,534,572,012.12
  5. Step 5: Solve for x
    x = 286,291,534,572,012.12/13,828,538.45
  6. Step 6: Final answer
    x = 20,702,949.60

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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.