Home / 12,983,579.20-19,477,141.12-5,408,773.52

Finding the Fourth Proportional to 12,983,579.20, 19,477,141.12 and 5,408,773.52

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Solution

The fourth proportional to 12,983,579.20, 19,477,141.12 and 5,408,773.52 is: 8,113,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,579.20 : 19,477,141.12 = 5,408,773.52 : x
  2. Step 2: Convert to fraction form
    12,983,579.20/19,477,141.12 = 5,408,773.52/x
  3. Step 3: Cross multiply
    12,983,579.20x = 19,477,141.12 × 5,408,773.52
  4. Step 4: Simplify right side
    12,983,579.20x = 105,347,445,135,159.14
  5. Step 5: Solve for x
    x = 105,347,445,135,159.14/12,983,579.20
  6. Step 6: Final answer
    x = 8,113,898.60

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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.