Home / 13,009,976.26-17,953,749.63-7,209,133.66

Finding the Fourth Proportional to 13,009,976.26, 17,953,749.63 and 7,209,133.66

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Solution

The fourth proportional to 13,009,976.26, 17,953,749.63 and 7,209,133.66 is: 9,948,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,976.26 : 17,953,749.63 = 7,209,133.66 : x
  2. Step 2: Convert to fraction form
    13,009,976.26/17,953,749.63 = 7,209,133.66/x
  3. Step 3: Cross multiply
    13,009,976.26x = 17,953,749.63 × 7,209,133.66
  4. Step 4: Simplify right side
    13,009,976.26x = 129,430,980,780,845.55
  5. Step 5: Solve for x
    x = 129,430,980,780,845.55/13,009,976.26
  6. Step 6: Final answer
    x = 9,948,594.69

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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.