Home / 21,909,749.95-32,867,615.67-9,127,265.32

Finding the Fourth Proportional to 21,909,749.95, 32,867,615.67 and 9,127,265.32

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Solution

The fourth proportional to 21,909,749.95, 32,867,615.67 and 9,127,265.32 is: 13,692,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,749.95 : 32,867,615.67 = 9,127,265.32 : x
  2. Step 2: Convert to fraction form
    21,909,749.95/32,867,615.67 = 9,127,265.32/x
  3. Step 3: Cross multiply
    21,909,749.95x = 32,867,615.67 × 9,127,265.32
  4. Step 4: Simplify right side
    21,909,749.95x = 299,991,448,655,879.56
  5. Step 5: Solve for x
    x = 299,991,448,655,879.56/21,909,749.95
  6. Step 6: Final answer
    x = 13,692,143.88

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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.