Home / 14,532,428.88-20,057,568.12-8,341,141.32

Finding the Fourth Proportional to 14,532,428.88, 20,057,568.12 and 8,341,141.32

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Solution

The fourth proportional to 14,532,428.88, 20,057,568.12 and 8,341,141.32 is: 11,512,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532,428.88 : 20,057,568.12 = 8,341,141.32 : x
  2. Step 2: Convert to fraction form
    14,532,428.88/20,057,568.12 = 8,341,141.32/x
  3. Step 3: Cross multiply
    14,532,428.88x = 20,057,568.12 × 8,341,141.32
  4. Step 4: Simplify right side
    14,532,428.88x = 167,303,010,224,446.72
  5. Step 5: Solve for x
    x = 167,303,010,224,446.72/14,532,428.88
  6. Step 6: Final answer
    x = 11,512,391.47

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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.