Home / 14,658,515.13-20,220,346.46-9,142,313.21

Finding the Fourth Proportional to 14,658,515.13, 20,220,346.46 and 9,142,313.21

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Solution

The fourth proportional to 14,658,515.13, 20,220,346.46 and 9,142,313.21 is: 12,611,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,515.13 : 20,220,346.46 = 9,142,313.21 : x
  2. Step 2: Convert to fraction form
    14,658,515.13/20,220,346.46 = 9,142,313.21/x
  3. Step 3: Cross multiply
    14,658,515.13x = 20,220,346.46 × 9,142,313.21
  4. Step 4: Simplify right side
    14,658,515.13x = 184,860,740,405,221.44
  5. Step 5: Solve for x
    x = 184,860,740,405,221.44/14,658,515.13
  6. Step 6: Final answer
    x = 12,611,150.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.