Home / 8,431,436.50-11,636,958.63-4,809,764.50

Finding the Fourth Proportional to 8,431,436.50, 11,636,958.63 and 4,809,764.50

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Solution

The fourth proportional to 8,431,436.50, 11,636,958.63 and 4,809,764.50 is: 6,638,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,436.50 : 11,636,958.63 = 4,809,764.50 : x
  2. Step 2: Convert to fraction form
    8,431,436.50/11,636,958.63 = 4,809,764.50/x
  3. Step 3: Cross multiply
    8,431,436.50x = 11,636,958.63 × 4,809,764.50
  4. Step 4: Simplify right side
    8,431,436.50x = 55,971,030,506,542.64
  5. Step 5: Solve for x
    x = 55,971,030,506,542.64/8,431,436.50
  6. Step 6: Final answer
    x = 6,638,374.20

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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.