Home / 25,658,389.64-38,479,435.76-8,382,653.35

Finding the Fourth Proportional to 25,658,389.64, 38,479,435.76 and 8,382,653.35

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Solution

The fourth proportional to 25,658,389.64, 38,479,435.76 and 8,382,653.35 is: 12,571,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658,389.64 : 38,479,435.76 = 8,382,653.35 : x
  2. Step 2: Convert to fraction form
    25,658,389.64/38,479,435.76 = 8,382,653.35/x
  3. Step 3: Cross multiply
    25,658,389.64x = 38,479,435.76 × 8,382,653.35
  4. Step 4: Simplify right side
    25,658,389.64x = 322,559,771,004,431.88
  5. Step 5: Solve for x
    x = 322,559,771,004,431.88/25,658,389.64
  6. Step 6: Final answer
    x = 12,571,317.82

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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.