Home / 7,890,335.70-11,832,004.35-3,631,809.30

Finding the Fourth Proportional to 7,890,335.70, 11,832,004.35 and 3,631,809.30

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Solution

The fourth proportional to 7,890,335.70, 11,832,004.35 and 3,631,809.30 is: 5,446,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,335.70 : 11,832,004.35 = 3,631,809.30 : x
  2. Step 2: Convert to fraction form
    7,890,335.70/11,832,004.35 = 3,631,809.30/x
  3. Step 3: Cross multiply
    7,890,335.70x = 11,832,004.35 × 3,631,809.30
  4. Step 4: Simplify right side
    7,890,335.70x = 42,971,583,435,970.45
  5. Step 5: Solve for x
    x = 42,971,583,435,970.45/7,890,335.70
  6. Step 6: Final answer
    x = 5,446,103.32

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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.