Home / 9,985,487.80-14,978,231.70-4,946,639.80

Finding the Fourth Proportional to 9,985,487.80, 14,978,231.70 and 4,946,639.80

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Solution

The fourth proportional to 9,985,487.80, 14,978,231.70 and 4,946,639.80 is: 7,419,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,487.80 : 14,978,231.70 = 4,946,639.80 : x
  2. Step 2: Convert to fraction form
    9,985,487.80/14,978,231.70 = 4,946,639.80/x
  3. Step 3: Cross multiply
    9,985,487.80x = 14,978,231.70 × 4,946,639.80
  4. Step 4: Simplify right side
    9,985,487.80x = 74,091,917,060,841.66
  5. Step 5: Solve for x
    x = 74,091,917,060,841.66/9,985,487.80
  6. Step 6: Final answer
    x = 7,419,959.70

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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.