Home / 17,129,327.21-23,639,966.47-9,395,864.20

Finding the Fourth Proportional to 17,129,327.21, 23,639,966.47 and 9,395,864.20

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Solution

The fourth proportional to 17,129,327.21, 23,639,966.47 and 9,395,864.20 is: 12,967,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129,327.21 : 23,639,966.47 = 9,395,864.20 : x
  2. Step 2: Convert to fraction form
    17,129,327.21/23,639,966.47 = 9,395,864.20/x
  3. Step 3: Cross multiply
    17,129,327.21x = 23,639,966.47 × 9,395,864.20
  4. Step 4: Simplify right side
    17,129,327.21x = 222,117,914,685,968.19
  5. Step 5: Solve for x
    x = 222,117,914,685,968.19/17,129,327.21
  6. Step 6: Final answer
    x = 12,967,112.60

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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.