Home / 38,042,365.43-52,503,416.46-21,303,480.20

Finding the Fourth Proportional to 38,042,365.43, 52,503,416.46 and 21,303,480.20

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Solution

The fourth proportional to 38,042,365.43, 52,503,416.46 and 21,303,480.20 is: 29,401,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042,365.43 : 52,503,416.46 = 21,303,480.20 : x
  2. Step 2: Convert to fraction form
    38,042,365.43/52,503,416.46 = 21,303,480.20/x
  3. Step 3: Cross multiply
    38,042,365.43x = 52,503,416.46 × 21,303,480.20
  4. Step 4: Simplify right side
    38,042,365.43x = 1,118,505,492,725,447
  5. Step 5: Solve for x
    x = 1,118,505,492,725,447/38,042,365.43
  6. Step 6: Final answer
    x = 29,401,575.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.