Home / 35,235,148.47-52,835,635.36-20,666,828.44

Finding the Fourth Proportional to 35,235,148.47, 52,835,635.36 and 20,666,828.44

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Solution

The fourth proportional to 35,235,148.47, 52,835,635.36 and 20,666,828.44 is: 30,990,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235,148.47 : 52,835,635.36 = 20,666,828.44 : x
  2. Step 2: Convert to fraction form
    35,235,148.47/52,835,635.36 = 20,666,828.44/x
  3. Step 3: Cross multiply
    35,235,148.47x = 52,835,635.36 × 20,666,828.44
  4. Step 4: Simplify right side
    35,235,148.47x = 1,091,945,011,503,517.75
  5. Step 5: Solve for x
    x = 1,091,945,011,503,517.75/35,235,148.47
  6. Step 6: Final answer
    x = 30,990,220.25

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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.