Home / 11,579,531.45-15,979,702.21-6,617,890.01

Finding the Fourth Proportional to 11,579,531.45, 15,979,702.21 and 6,617,890.01

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Solution

The fourth proportional to 11,579,531.45, 15,979,702.21 and 6,617,890.01 is: 9,132,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579,531.45 : 15,979,702.21 = 6,617,890.01 : x
  2. Step 2: Convert to fraction form
    11,579,531.45/15,979,702.21 = 6,617,890.01/x
  3. Step 3: Cross multiply
    11,579,531.45x = 15,979,702.21 × 6,617,890.01
  4. Step 4: Simplify right side
    11,579,531.45x = 105,751,911,641,738.45
  5. Step 5: Solve for x
    x = 105,751,911,641,738.45/11,579,531.45
  6. Step 6: Final answer
    x = 9,132,658.96

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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.