Home / 55,487,971.67-83,250,442.04-18,603,511.49

Finding the Fourth Proportional to 55,487,971.67, 83,250,442.04 and 18,603,511.49

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Solution

The fourth proportional to 55,487,971.67, 83,250,442.04 and 18,603,511.49 is: 27,911,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487,971.67 : 83,250,442.04 = 18,603,511.49 : x
  2. Step 2: Convert to fraction form
    55,487,971.67/83,250,442.04 = 18,603,511.49/x
  3. Step 3: Cross multiply
    55,487,971.67x = 83,250,442.04 × 18,603,511.49
  4. Step 4: Simplify right side
    55,487,971.67x = 1,548,750,555,153,827.50
  5. Step 5: Solve for x
    x = 1,548,750,555,153,827.50/55,487,971.67
  6. Step 6: Final answer
    x = 27,911,464.57

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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.