Home / 6,990,195.09-9,646,688.81-3,850,686.46

Finding the Fourth Proportional to 6,990,195.09, 9,646,688.81 and 3,850,686.46

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Solution

The fourth proportional to 6,990,195.09, 9,646,688.81 and 3,850,686.46 is: 5,314,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,195.09 : 9,646,688.81 = 3,850,686.46 : x
  2. Step 2: Convert to fraction form
    6,990,195.09/9,646,688.81 = 3,850,686.46/x
  3. Step 3: Cross multiply
    6,990,195.09x = 9,646,688.81 × 3,850,686.46
  4. Step 4: Simplify right side
    6,990,195.09x = 37,146,373,984,500.52
  5. Step 5: Solve for x
    x = 37,146,373,984,500.52/6,990,195.09
  6. Step 6: Final answer
    x = 5,314,068.28

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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.