Home / 7,380,564.29-11,070,098.90-1,989,759.65

Finding the Fourth Proportional to 7,380,564.29, 11,070,098.90 and 1,989,759.65

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Solution

The fourth proportional to 7,380,564.29, 11,070,098.90 and 1,989,759.65 is: 2,984,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,564.29 : 11,070,098.90 = 1,989,759.65 : x
  2. Step 2: Convert to fraction form
    7,380,564.29/11,070,098.90 = 1,989,759.65/x
  3. Step 3: Cross multiply
    7,380,564.29x = 11,070,098.90 × 1,989,759.65
  4. Step 4: Simplify right side
    7,380,564.29x = 22,026,836,047,430.09
  5. Step 5: Solve for x
    x = 22,026,836,047,430.09/7,380,564.29
  6. Step 6: Final answer
    x = 2,984,437.94

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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.