Home / 6,899,576.20-10,368,026.70-6,078,430.60

Finding the Fourth Proportional to 6,899,576.20, 10,368,026.70 and 6,078,430.60

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Solution

The fourth proportional to 6,899,576.20, 10,368,026.70 and 6,078,430.60 is: 9,134,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,576.20 : 10,368,026.70 = 6,078,430.60 : x
  2. Step 2: Convert to fraction form
    6,899,576.20/10,368,026.70 = 6,078,430.60/x
  3. Step 3: Cross multiply
    6,899,576.20x = 10,368,026.70 × 6,078,430.60
  4. Step 4: Simplify right side
    6,899,576.20x = 63,021,330,754,897.01
  5. Step 5: Solve for x
    x = 63,021,330,754,897.01/6,899,576.20
  6. Step 6: Final answer
    x = 9,134,087.21

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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.