Home / 12,724,962.57-19,063,360.53-7,521,995.25

Finding the Fourth Proportional to 12,724,962.57, 19,063,360.53 and 7,521,995.25

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Solution

The fourth proportional to 12,724,962.57, 19,063,360.53 and 7,521,995.25 is: 11,268,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,962.57 : 19,063,360.53 = 7,521,995.25 : x
  2. Step 2: Convert to fraction form
    12,724,962.57/19,063,360.53 = 7,521,995.25/x
  3. Step 3: Cross multiply
    12,724,962.57x = 19,063,360.53 × 7,521,995.25
  4. Step 4: Simplify right side
    12,724,962.57x = 143,394,507,355,697.50
  5. Step 5: Solve for x
    x = 143,394,507,355,697.50/12,724,962.57
  6. Step 6: Final answer
    x = 11,268,756.71

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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.