Home / 7,346,745.40-11,020,118.10-5,315,459.80

Finding the Fourth Proportional to 7,346,745.40, 11,020,118.10 and 5,315,459.80

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Solution

The fourth proportional to 7,346,745.40, 11,020,118.10 and 5,315,459.80 is: 7,973,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346,745.40 : 11,020,118.10 = 5,315,459.80 : x
  2. Step 2: Convert to fraction form
    7,346,745.40/11,020,118.10 = 5,315,459.80/x
  3. Step 3: Cross multiply
    7,346,745.40x = 11,020,118.10 × 5,315,459.80
  4. Step 4: Simplify right side
    7,346,745.40x = 58,576,994,751,802.38
  5. Step 5: Solve for x
    x = 58,576,994,751,802.38/7,346,745.40
  6. Step 6: Final answer
    x = 7,973,189.70

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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.