Home / 7,019,006.40-9,686,050.56-3,921,553.60

Finding the Fourth Proportional to 7,019,006.40, 9,686,050.56 and 3,921,553.60

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Solution

The fourth proportional to 7,019,006.40, 9,686,050.56 and 3,921,553.60 is: 5,411,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,006.40 : 9,686,050.56 = 3,921,553.60 : x
  2. Step 2: Convert to fraction form
    7,019,006.40/9,686,050.56 = 3,921,553.60/x
  3. Step 3: Cross multiply
    7,019,006.40x = 9,686,050.56 × 3,921,553.60
  4. Step 4: Simplify right side
    7,019,006.40x = 37,984,366,443,350.02
  5. Step 5: Solve for x
    x = 37,984,366,443,350.02/7,019,006.40
  6. Step 6: Final answer
    x = 5,411,644.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.