Home / 28,025,771.04-38,674,682.28-16,431,055.20

Finding the Fourth Proportional to 28,025,771.04, 38,674,682.28 and 16,431,055.20

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Solution

The fourth proportional to 28,025,771.04, 38,674,682.28 and 16,431,055.20 is: 22,674,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,771.04 : 38,674,682.28 = 16,431,055.20 : x
  2. Step 2: Convert to fraction form
    28,025,771.04/38,674,682.28 = 16,431,055.20/x
  3. Step 3: Cross multiply
    28,025,771.04x = 38,674,682.28 × 16,431,055.20
  4. Step 4: Simplify right side
    28,025,771.04x = 635,465,839,385,141.88
  5. Step 5: Solve for x
    x = 635,465,839,385,141.88/28,025,771.04
  6. Step 6: Final answer
    x = 22,674,339.22

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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.