Home / 28,392,617.40-42,588,926.10-17,622,079.80

Finding the Fourth Proportional to 28,392,617.40, 42,588,926.10 and 17,622,079.80

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Solution

The fourth proportional to 28,392,617.40, 42,588,926.10 and 17,622,079.80 is: 26,433,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,617.40 : 42,588,926.10 = 17,622,079.80 : x
  2. Step 2: Convert to fraction form
    28,392,617.40/42,588,926.10 = 17,622,079.80/x
  3. Step 3: Cross multiply
    28,392,617.40x = 42,588,926.10 × 17,622,079.80
  4. Step 4: Simplify right side
    28,392,617.40x = 750,505,454,330,502.88
  5. Step 5: Solve for x
    x = 750,505,454,330,502.88/28,392,617.40
  6. Step 6: Final answer
    x = 26,433,119.70

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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.