Home / 8,987,845.50-12,403,270.53-4,913,464.50

Finding the Fourth Proportional to 8,987,845.50, 12,403,270.53 and 4,913,464.50

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Solution

The fourth proportional to 8,987,845.50, 12,403,270.53 and 4,913,464.50 is: 6,780,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,845.50 : 12,403,270.53 = 4,913,464.50 : x
  2. Step 2: Convert to fraction form
    8,987,845.50/12,403,270.53 = 4,913,464.50/x
  3. Step 3: Cross multiply
    8,987,845.50x = 12,403,270.53 × 4,913,464.50
  4. Step 4: Simplify right side
    8,987,845.50x = 60,943,029,433,051.18
  5. Step 5: Solve for x
    x = 60,943,029,433,051.18/8,987,845.50
  6. Step 6: Final answer
    x = 6,780,604.92

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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.