Home / 29,180,142.72-40,268,527.45-16,621,195.43

Finding the Fourth Proportional to 29,180,142.72, 40,268,527.45 and 16,621,195.43

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Solution

The fourth proportional to 29,180,142.72, 40,268,527.45 and 16,621,195.43 is: 22,937,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180,142.72 : 40,268,527.45 = 16,621,195.43 : x
  2. Step 2: Convert to fraction form
    29,180,142.72/40,268,527.45 = 16,621,195.43/x
  3. Step 3: Cross multiply
    29,180,142.72x = 40,268,527.45 × 16,621,195.43
  4. Step 4: Simplify right side
    29,180,142.72x = 669,311,064,483,887.88
  5. Step 5: Solve for x
    x = 669,311,064,483,887.88/29,180,142.72
  6. Step 6: Final answer
    x = 22,937,210.11

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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.