Home / 38,115,888.30-52,599,885.84-20,712,192.12

Finding the Fourth Proportional to 38,115,888.30, 52,599,885.84 and 20,712,192.12

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Solution

The fourth proportional to 38,115,888.30, 52,599,885.84 and 20,712,192.12 is: 28,582,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115,888.30 : 52,599,885.84 = 20,712,192.12 : x
  2. Step 2: Convert to fraction form
    38,115,888.30/52,599,885.84 = 20,712,192.12/x
  3. Step 3: Cross multiply
    38,115,888.30x = 52,599,885.84 × 20,712,192.12
  4. Step 4: Simplify right side
    38,115,888.30x = 1,089,458,941,008,147.75
  5. Step 5: Solve for x
    x = 1,089,458,941,008,147.75/38,115,888.30
  6. Step 6: Final answer
    x = 28,582,803.38

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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.