Home / 6,989,955.12-9,643,504.92-4,088,418.48

Finding the Fourth Proportional to 6,989,955.12, 9,643,504.92 and 4,088,418.48

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Solution

The fourth proportional to 6,989,955.12, 9,643,504.92 and 4,088,418.48 is: 5,640,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,955.12 : 9,643,504.92 = 4,088,418.48 : x
  2. Step 2: Convert to fraction form
    6,989,955.12/9,643,504.92 = 4,088,418.48/x
  3. Step 3: Cross multiply
    6,989,955.12x = 9,643,504.92 × 4,088,418.48
  4. Step 4: Simplify right side
    6,989,955.12x = 39,426,683,726,898.92
  5. Step 5: Solve for x
    x = 39,426,683,726,898.92/6,989,955.12
  6. Step 6: Final answer
    x = 5,640,477.38

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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.