Home / 12,295,702.72-18,363,836.02-11,140,641.51

Finding the Fourth Proportional to 12,295,702.72, 18,363,836.02 and 11,140,641.51

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Solution

The fourth proportional to 12,295,702.72, 18,363,836.02 and 11,140,641.51 is: 16,638,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,702.72 : 18,363,836.02 = 11,140,641.51 : x
  2. Step 2: Convert to fraction form
    12,295,702.72/18,363,836.02 = 11,140,641.51/x
  3. Step 3: Cross multiply
    12,295,702.72x = 18,363,836.02 × 11,140,641.51
  4. Step 4: Simplify right side
    12,295,702.72x = 204,584,913,881,500.97
  5. Step 5: Solve for x
    x = 204,584,913,881,500.97/12,295,702.72
  6. Step 6: Final answer
    x = 16,638,732.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.