Home / 13,842,430.20-20,763,645.30-6,652,230.30

Finding the Fourth Proportional to 13,842,430.20, 20,763,645.30 and 6,652,230.30

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Solution

The fourth proportional to 13,842,430.20, 20,763,645.30 and 6,652,230.30 is: 9,978,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,430.20 : 20,763,645.30 = 6,652,230.30 : x
  2. Step 2: Convert to fraction form
    13,842,430.20/20,763,645.30 = 6,652,230.30/x
  3. Step 3: Cross multiply
    13,842,430.20x = 20,763,645.30 × 6,652,230.30
  4. Step 4: Simplify right side
    13,842,430.20x = 138,124,550,403,112.59
  5. Step 5: Solve for x
    x = 138,124,550,403,112.59/13,842,430.20
  6. Step 6: Final answer
    x = 9,978,345.45

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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.