Home / 13,001,358.39-17,912,985.47-8,583,215.34

Finding the Fourth Proportional to 13,001,358.39, 17,912,985.47 and 8,583,215.34

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Solution

The fourth proportional to 13,001,358.39, 17,912,985.47 and 8,583,215.34 is: 11,825,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,358.39 : 17,912,985.47 = 8,583,215.34 : x
  2. Step 2: Convert to fraction form
    13,001,358.39/17,912,985.47 = 8,583,215.34/x
  3. Step 3: Cross multiply
    13,001,358.39x = 17,912,985.47 × 8,583,215.34
  4. Step 4: Simplify right side
    13,001,358.39x = 153,751,011,628,385.03
  5. Step 5: Solve for x
    x = 153,751,011,628,385.03/13,001,358.39
  6. Step 6: Final answer
    x = 11,825,765.20

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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.