Home / 7,687,875.94-10,611,940.61-4,425,990.72

Finding the Fourth Proportional to 7,687,875.94, 10,611,940.61 and 4,425,990.72

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Solution

The fourth proportional to 7,687,875.94, 10,611,940.61 and 4,425,990.72 is: 6,109,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,875.94 : 10,611,940.61 = 4,425,990.72 : x
  2. Step 2: Convert to fraction form
    7,687,875.94/10,611,940.61 = 4,425,990.72/x
  3. Step 3: Cross multiply
    7,687,875.94x = 10,611,940.61 × 4,425,990.72
  4. Step 4: Simplify right side
    7,687,875.94x = 46,968,350,661,051.13
  5. Step 5: Solve for x
    x = 46,968,350,661,051.13/7,687,875.94
  6. Step 6: Final answer
    x = 6,109,405.38

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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.