Home / 8,372,631.48-12,550,975.53-2,688,869.98

Finding the Fourth Proportional to 8,372,631.48, 12,550,975.53 and 2,688,869.98

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Solution

The fourth proportional to 8,372,631.48, 12,550,975.53 and 2,688,869.98 is: 4,030,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,631.48 : 12,550,975.53 = 2,688,869.98 : x
  2. Step 2: Convert to fraction form
    8,372,631.48/12,550,975.53 = 2,688,869.98/x
  3. Step 3: Cross multiply
    8,372,631.48x = 12,550,975.53 × 2,688,869.98
  4. Step 4: Simplify right side
    8,372,631.48x = 33,747,941,322,331.59
  5. Step 5: Solve for x
    x = 33,747,941,322,331.59/8,372,631.48
  6. Step 6: Final answer
    x = 4,030,744.86

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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.