Home / 38,351,847.60-52,925,199.12-20,948,187.60

Finding the Fourth Proportional to 38,351,847.60, 52,925,199.12 and 20,948,187.60

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Solution

The fourth proportional to 38,351,847.60, 52,925,199.12 and 20,948,187.60 is: 28,908,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,847.60 : 52,925,199.12 = 20,948,187.60 : x
  2. Step 2: Convert to fraction form
    38,351,847.60/52,925,199.12 = 20,948,187.60/x
  3. Step 3: Cross multiply
    38,351,847.60x = 52,925,199.12 × 20,948,187.60
  4. Step 4: Simplify right side
    38,351,847.60x = 1,108,686,999,933,114.88
  5. Step 5: Solve for x
    x = 1,108,686,999,933,114.88/38,351,847.60
  6. Step 6: Final answer
    x = 28,908,307.40

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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.