Home / 15,800,466.40-21,804,643.60-8,557,122.40

Finding the Fourth Proportional to 15,800,466.40, 21,804,643.60 and 8,557,122.40

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Solution

The fourth proportional to 15,800,466.40, 21,804,643.60 and 8,557,122.40 is: 11,808,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,466.40 : 21,804,643.60 = 8,557,122.40 : x
  2. Step 2: Convert to fraction form
    15,800,466.40/21,804,643.60 = 8,557,122.40/x
  3. Step 3: Cross multiply
    15,800,466.40x = 21,804,643.60 × 8,557,122.40
  4. Step 4: Simplify right side
    15,800,466.40x = 186,585,004,173,576.66
  5. Step 5: Solve for x
    x = 186,585,004,173,576.66/15,800,466.40
  6. Step 6: Final answer
    x = 11,808,828.89

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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.