Home / 13,130,352.56-18,122,909.83-7,699,594.16

Finding the Fourth Proportional to 13,130,352.56, 18,122,909.83 and 7,699,594.16

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Solution

The fourth proportional to 13,130,352.56, 18,122,909.83 and 7,699,594.16 is: 10,627,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,352.56 : 18,122,909.83 = 7,699,594.16 : x
  2. Step 2: Convert to fraction form
    13,130,352.56/18,122,909.83 = 7,699,594.16/x
  3. Step 3: Cross multiply
    13,130,352.56x = 18,122,909.83 × 7,699,594.16
  4. Step 4: Simplify right side
    13,130,352.56x = 139,539,050,598,660.03
  5. Step 5: Solve for x
    x = 139,539,050,598,660.03/13,130,352.56
  6. Step 6: Final answer
    x = 10,627,212.79

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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.