Home / 8,688,003.70-13,032,005.55-3,638,787.70

Finding the Fourth Proportional to 8,688,003.70, 13,032,005.55 and 3,638,787.70

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Solution

The fourth proportional to 8,688,003.70, 13,032,005.55 and 3,638,787.70 is: 5,458,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,003.70 : 13,032,005.55 = 3,638,787.70 : x
  2. Step 2: Convert to fraction form
    8,688,003.70/13,032,005.55 = 3,638,787.70/x
  3. Step 3: Cross multiply
    8,688,003.70x = 13,032,005.55 × 3,638,787.70
  4. Step 4: Simplify right side
    8,688,003.70x = 47,420,701,501,671.74
  5. Step 5: Solve for x
    x = 47,420,701,501,671.74/8,688,003.70
  6. Step 6: Final answer
    x = 5,458,181.55

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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.