Home / 13,754,220.40-20,631,330.60-7,376,928.40

Finding the Fourth Proportional to 13,754,220.40, 20,631,330.60 and 7,376,928.40

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Solution

The fourth proportional to 13,754,220.40, 20,631,330.60 and 7,376,928.40 is: 11,065,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,220.40 : 20,631,330.60 = 7,376,928.40 : x
  2. Step 2: Convert to fraction form
    13,754,220.40/20,631,330.60 = 7,376,928.40/x
  3. Step 3: Cross multiply
    13,754,220.40x = 20,631,330.60 × 7,376,928.40
  4. Step 4: Simplify right side
    13,754,220.40x = 152,195,848,632,929.06
  5. Step 5: Solve for x
    x = 152,195,848,632,929.06/13,754,220.40
  6. Step 6: Final answer
    x = 11,065,392.60

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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.