Home / 13,822,434-19,072,596.96-8,019,885.60

Finding the Fourth Proportional to 13,822,434, 19,072,596.96 and 8,019,885.60

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Solution

The fourth proportional to 13,822,434, 19,072,596.96 and 8,019,885.60 is: 11,066,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822,434 : 19,072,596.96 = 8,019,885.60 : x
  2. Step 2: Convert to fraction form
    13,822,434/19,072,596.96 = 8,019,885.60/x
  3. Step 3: Cross multiply
    13,822,434x = 19,072,596.96 × 8,019,885.60
  4. Step 4: Simplify right side
    13,822,434x = 152,960,045,714,107.78
  5. Step 5: Solve for x
    x = 152,960,045,714,107.78/13,822,434
  6. Step 6: Final answer
    x = 11,066,071.70

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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.