Home / 12,925,847.36-17,836,858.20-7,124,309.84

Finding the Fourth Proportional to 12,925,847.36, 17,836,858.20 and 7,124,309.84

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Solution

The fourth proportional to 12,925,847.36, 17,836,858.20 and 7,124,309.84 is: 9,831,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,847.36 : 17,836,858.20 = 7,124,309.84 : x
  2. Step 2: Convert to fraction form
    12,925,847.36/17,836,858.20 = 7,124,309.84/x
  3. Step 3: Cross multiply
    12,925,847.36x = 17,836,858.20 × 7,124,309.84
  4. Step 4: Simplify right side
    12,925,847.36x = 127,075,304,388,944.69
  5. Step 5: Solve for x
    x = 127,075,304,388,944.69/12,925,847.36
  6. Step 6: Final answer
    x = 9,831,100.50

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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.