Home / 40,831,745.40-61,247,618.10-12,075,643.08

Finding the Fourth Proportional to 40,831,745.40, 61,247,618.10 and 12,075,643.08

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Solution

The fourth proportional to 40,831,745.40, 61,247,618.10 and 12,075,643.08 is: 18,113,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831,745.40 : 61,247,618.10 = 12,075,643.08 : x
  2. Step 2: Convert to fraction form
    40,831,745.40/61,247,618.10 = 12,075,643.08/x
  3. Step 3: Cross multiply
    40,831,745.40x = 61,247,618.10 × 12,075,643.08
  4. Step 4: Simplify right side
    40,831,745.40x = 739,604,375,675,747.75
  5. Step 5: Solve for x
    x = 739,604,375,675,747.75/40,831,745.40
  6. Step 6: Final answer
    x = 18,113,464.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.