Home / 6,603,412.20-9,905,118.30-5,406,685.80

Finding the Fourth Proportional to 6,603,412.20, 9,905,118.30 and 5,406,685.80

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Solution

The fourth proportional to 6,603,412.20, 9,905,118.30 and 5,406,685.80 is: 8,110,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,412.20 : 9,905,118.30 = 5,406,685.80 : x
  2. Step 2: Convert to fraction form
    6,603,412.20/9,905,118.30 = 5,406,685.80/x
  3. Step 3: Cross multiply
    6,603,412.20x = 9,905,118.30 × 5,406,685.80
  4. Step 4: Simplify right side
    6,603,412.20x = 53,553,862,459,930.14
  5. Step 5: Solve for x
    x = 53,553,862,459,930.14/6,603,412.20
  6. Step 6: Final answer
    x = 8,110,028.70

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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.