Home / 18,450,015.40-27,675,023.10-13,064,746.60

Finding the Fourth Proportional to 18,450,015.40, 27,675,023.10 and 13,064,746.60

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Solution

The fourth proportional to 18,450,015.40, 27,675,023.10 and 13,064,746.60 is: 19,597,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450,015.40 : 27,675,023.10 = 13,064,746.60 : x
  2. Step 2: Convert to fraction form
    18,450,015.40/27,675,023.10 = 13,064,746.60/x
  3. Step 3: Cross multiply
    18,450,015.40x = 27,675,023.10 × 13,064,746.60
  4. Step 4: Simplify right side
    18,450,015.40x = 361,567,163,950,646.50
  5. Step 5: Solve for x
    x = 361,567,163,950,646.50/18,450,015.40
  6. Step 6: Final answer
    x = 19,597,119.90

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1.5x scale

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.