Home / 10,519,646.40-15,779,469.60-9,084,755.70

Finding the Fourth Proportional to 10,519,646.40, 15,779,469.60 and 9,084,755.70

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Solution

The fourth proportional to 10,519,646.40, 15,779,469.60 and 9,084,755.70 is: 13,627,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,646.40 : 15,779,469.60 = 9,084,755.70 : x
  2. Step 2: Convert to fraction form
    10,519,646.40/15,779,469.60 = 9,084,755.70/x
  3. Step 3: Cross multiply
    10,519,646.40x = 15,779,469.60 × 9,084,755.70
  4. Step 4: Simplify right side
    10,519,646.40x = 143,352,626,391,576.72
  5. Step 5: Solve for x
    x = 143,352,626,391,576.72/10,519,646.40
  6. Step 6: Final answer
    x = 13,627,133.55

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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.