Home / 12,983,541.22-19,477,084.11-5,408,735.50

Finding the Fourth Proportional to 12,983,541.22, 19,477,084.11 and 5,408,735.50

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Solution

The fourth proportional to 12,983,541.22, 19,477,084.11 and 5,408,735.50 is: 8,113,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,541.22 : 19,477,084.11 = 5,408,735.50 : x
  2. Step 2: Convert to fraction form
    12,983,541.22/19,477,084.11 = 5,408,735.50/x
  3. Step 3: Cross multiply
    12,983,541.22x = 19,477,084.11 × 5,408,735.50
  4. Step 4: Simplify right side
    12,983,541.22x = 105,346,396,262,242.91
  5. Step 5: Solve for x
    x = 105,346,396,262,242.91/12,983,541.22
  6. Step 6: Final answer
    x = 8,113,841.55

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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.