Home / 18,725,290,246.82-28,087,934,827.34-8,638,018,671.04

Finding the Fourth Proportional to 18,725,290,246.82, 28,087,934,827.34 and 8,638,018,671.04

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Solution

The fourth proportional to 18,725,290,246.82, 28,087,934,827.34 and 8,638,018,671.04 is: 12,957,027,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,290,246.82 : 28,087,934,827.34 = 8,638,018,671.04 : x
  2. Step 2: Convert to fraction form
    18,725,290,246.82/28,087,934,827.34 = 8,638,018,671.04/x
  3. Step 3: Cross multiply
    18,725,290,246.82x = 28,087,934,827.34 × 8,638,018,671.04
  4. Step 4: Simplify right side
    18,725,290,246.82x = 242,624,105,469,461,823,488
  5. Step 5: Solve for x
    x = 242,624,105,469,461,823,488/18,725,290,246.82
  6. Step 6: Final answer
    x = 12,957,027,756.12

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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.