Home / 13,831,075.30-19,088,557.60-7,871,930.96

Finding the Fourth Proportional to 13,831,075.30, 19,088,557.60 and 7,871,930.96

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Solution

The fourth proportional to 13,831,075.30, 19,088,557.60 and 7,871,930.96 is: 10,864,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,075.30 : 19,088,557.60 = 7,871,930.96 : x
  2. Step 2: Convert to fraction form
    13,831,075.30/19,088,557.60 = 7,871,930.96/x
  3. Step 3: Cross multiply
    13,831,075.30x = 19,088,557.60 × 7,871,930.96
  4. Step 4: Simplify right side
    13,831,075.30x = 150,263,807,553,183.31
  5. Step 5: Solve for x
    x = 150,263,807,553,183.31/13,831,075.30
  6. Step 6: Final answer
    x = 10,864,217.30

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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.