Home / 6,994,190.16-9,651,971.28-3,938,426.28

Finding the Fourth Proportional to 6,994,190.16, 9,651,971.28 and 3,938,426.28

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Solution

The fourth proportional to 6,994,190.16, 9,651,971.28 and 3,938,426.28 is: 5,435,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994,190.16 : 9,651,971.28 = 3,938,426.28 : x
  2. Step 2: Convert to fraction form
    6,994,190.16/9,651,971.28 = 3,938,426.28/x
  3. Step 3: Cross multiply
    6,994,190.16x = 9,651,971.28 × 3,938,426.28
  4. Step 4: Simplify right side
    6,994,190.16x = 38,013,577,342,957.23
  5. Step 5: Solve for x
    x = 38,013,577,342,957.23/6,994,190.16
  6. Step 6: Final answer
    x = 5,435,021.99

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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.