Home / 13,974,955.56-20,966,711.76-7,156,356.48

Finding the Fourth Proportional to 13,974,955.56, 20,966,711.76 and 7,156,356.48

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Solution

The fourth proportional to 13,974,955.56, 20,966,711.76 and 7,156,356.48 is: 10,736,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974,955.56 : 20,966,711.76 = 7,156,356.48 : x
  2. Step 2: Convert to fraction form
    13,974,955.56/20,966,711.76 = 7,156,356.48/x
  3. Step 3: Cross multiply
    13,974,955.56x = 20,966,711.76 × 7,156,356.48
  4. Step 4: Simplify right side
    13,974,955.56x = 150,045,263,567,968.22
  5. Step 5: Solve for x
    x = 150,045,263,567,968.22/13,974,955.56
  6. Step 6: Final answer
    x = 10,736,725.63

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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.