Home / 30,265,360.72-45,397,741.74-13,865,993.20

Finding the Fourth Proportional to 30,265,360.72, 45,397,741.74 and 13,865,993.20

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Solution

The fourth proportional to 30,265,360.72, 45,397,741.74 and 13,865,993.20 is: 20,798,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265,360.72 : 45,397,741.74 = 13,865,993.20 : x
  2. Step 2: Convert to fraction form
    30,265,360.72/45,397,741.74 = 13,865,993.20/x
  3. Step 3: Cross multiply
    30,265,360.72x = 45,397,741.74 × 13,865,993.20
  4. Step 4: Simplify right side
    30,265,360.72x = 629,484,778,262,196.12
  5. Step 5: Solve for x
    x = 629,484,778,262,196.12/30,265,360.72
  6. Step 6: Final answer
    x = 20,798,852.66

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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.