Home / 25,698,585.66-38,551,541.58-8,428,137.72

Finding the Fourth Proportional to 25,698,585.66, 38,551,541.58 and 8,428,137.72

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Solution

The fourth proportional to 25,698,585.66, 38,551,541.58 and 8,428,137.72 is: 12,643,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698,585.66 : 38,551,541.58 = 8,428,137.72 : x
  2. Step 2: Convert to fraction form
    25,698,585.66/38,551,541.58 = 8,428,137.72/x
  3. Step 3: Cross multiply
    25,698,585.66x = 38,551,541.58 × 8,428,137.72
  4. Step 4: Simplify right side
    25,698,585.66x = 324,917,701,754,546.44
  5. Step 5: Solve for x
    x = 324,917,701,754,546.44/25,698,585.66
  6. Step 6: Final answer
    x = 12,643,407.93

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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.