Home / 12,983,577.70-19,477,138.87-5,408,772.02

Finding the Fourth Proportional to 12,983,577.70, 19,477,138.87 and 5,408,772.02

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Solution

The fourth proportional to 12,983,577.70, 19,477,138.87 and 5,408,772.02 is: 8,113,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,577.70 : 19,477,138.87 = 5,408,772.02 : x
  2. Step 2: Convert to fraction form
    12,983,577.70/19,477,138.87 = 5,408,772.02/x
  3. Step 3: Cross multiply
    12,983,577.70x = 19,477,138.87 × 5,408,772.02
  4. Step 4: Simplify right side
    12,983,577.70x = 105,347,403,749,710.42
  5. Step 5: Solve for x
    x = 105,347,403,749,710.42/12,983,577.70
  6. Step 6: Final answer
    x = 8,113,896.35

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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.