Home / 17,356,359.40-26,009,655.90-12,771,629.80

Finding the Fourth Proportional to 17,356,359.40, 26,009,655.90 and 12,771,629.80

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Solution

The fourth proportional to 17,356,359.40, 26,009,655.90 and 12,771,629.80 is: 19,139,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356,359.40 : 26,009,655.90 = 12,771,629.80 : x
  2. Step 2: Convert to fraction form
    17,356,359.40/26,009,655.90 = 12,771,629.80/x
  3. Step 3: Cross multiply
    17,356,359.40x = 26,009,655.90 × 12,771,629.80
  4. Step 4: Simplify right side
    17,356,359.40x = 332,185,696,380,185.81
  5. Step 5: Solve for x
    x = 332,185,696,380,185.81/17,356,359.40
  6. Step 6: Final answer
    x = 19,139,134.47

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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.