Home / 13,829,168.12-19,083,751.74-7,634,081.84

Finding the Fourth Proportional to 13,829,168.12, 19,083,751.74 and 7,634,081.84

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Solution

The fourth proportional to 13,829,168.12, 19,083,751.74 and 7,634,081.84 is: 10,534,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829,168.12 : 19,083,751.74 = 7,634,081.84 : x
  2. Step 2: Convert to fraction form
    13,829,168.12/19,083,751.74 = 7,634,081.84/x
  3. Step 3: Cross multiply
    13,829,168.12x = 19,083,751.74 × 7,634,081.84
  4. Step 4: Simplify right side
    13,829,168.12x = 145,686,922,597,402.38
  5. Step 5: Solve for x
    x = 145,686,922,597,402.38/13,829,168.12
  6. Step 6: Final answer
    x = 10,534,756.78

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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.