Home / 13,408,200.30-20,112,300.45-8,033,429.10

Finding the Fourth Proportional to 13,408,200.30, 20,112,300.45 and 8,033,429.10

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Solution

The fourth proportional to 13,408,200.30, 20,112,300.45 and 8,033,429.10 is: 12,050,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,200.30 : 20,112,300.45 = 8,033,429.10 : x
  2. Step 2: Convert to fraction form
    13,408,200.30/20,112,300.45 = 8,033,429.10/x
  3. Step 3: Cross multiply
    13,408,200.30x = 20,112,300.45 × 8,033,429.10
  4. Step 4: Simplify right side
    13,408,200.30x = 161,570,739,702,973.09
  5. Step 5: Solve for x
    x = 161,570,739,702,973.09/13,408,200.30
  6. Step 6: Final answer
    x = 12,050,143.65

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1.5x scale

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.