Home / 13,460,181.40-20,190,272.10-4,939,410.70

Finding the Fourth Proportional to 13,460,181.40, 20,190,272.10 and 4,939,410.70

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Solution

The fourth proportional to 13,460,181.40, 20,190,272.10 and 4,939,410.70 is: 7,409,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,181.40 : 20,190,272.10 = 4,939,410.70 : x
  2. Step 2: Convert to fraction form
    13,460,181.40/20,190,272.10 = 4,939,410.70/x
  3. Step 3: Cross multiply
    13,460,181.40x = 20,190,272.10 × 4,939,410.70
  4. Step 4: Simplify right side
    13,460,181.40x = 99,728,046,046,651.48
  5. Step 5: Solve for x
    x = 99,728,046,046,651.48/13,460,181.40
  6. Step 6: Final answer
    x = 7,409,116.05

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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.