Home / 13,578,040.40-20,367,060.60-11,824,285.10

Finding the Fourth Proportional to 13,578,040.40, 20,367,060.60 and 11,824,285.10

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Solution

The fourth proportional to 13,578,040.40, 20,367,060.60 and 11,824,285.10 is: 17,736,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,040.40 : 20,367,060.60 = 11,824,285.10 : x
  2. Step 2: Convert to fraction form
    13,578,040.40/20,367,060.60 = 11,824,285.10/x
  3. Step 3: Cross multiply
    13,578,040.40x = 20,367,060.60 × 11,824,285.10
  4. Step 4: Simplify right side
    13,578,040.40x = 240,825,931,183,377.06
  5. Step 5: Solve for x
    x = 240,825,931,183,377.06/13,578,040.40
  6. Step 6: Final answer
    x = 17,736,427.65

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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.