Home / 14,014,907.20-21,022,360.80-13,353,558.40

Finding the Fourth Proportional to 14,014,907.20, 21,022,360.80 and 13,353,558.40

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Solution

The fourth proportional to 14,014,907.20, 21,022,360.80 and 13,353,558.40 is: 20,030,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,907.20 : 21,022,360.80 = 13,353,558.40 : x
  2. Step 2: Convert to fraction form
    14,014,907.20/21,022,360.80 = 13,353,558.40/x
  3. Step 3: Cross multiply
    14,014,907.20x = 21,022,360.80 × 13,353,558.40
  4. Step 4: Simplify right side
    14,014,907.20x = 280,723,322,648,670.75
  5. Step 5: Solve for x
    x = 280,723,322,648,670.75/14,014,907.20
  6. Step 6: Final answer
    x = 20,030,337.60

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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.