Home / 8,830,780.05-12,186,586.31-5,346,072.57

Finding the Fourth Proportional to 8,830,780.05, 12,186,586.31 and 5,346,072.57

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Solution

The fourth proportional to 8,830,780.05, 12,186,586.31 and 5,346,072.57 is: 7,377,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830,780.05 : 12,186,586.31 = 5,346,072.57 : x
  2. Step 2: Convert to fraction form
    8,830,780.05/12,186,586.31 = 5,346,072.57/x
  3. Step 3: Cross multiply
    8,830,780.05x = 12,186,586.31 × 5,346,072.57
  4. Step 4: Simplify right side
    8,830,780.05x = 65,150,374,793,828.52
  5. Step 5: Solve for x
    x = 65,150,374,793,828.52/8,830,780.05
  6. Step 6: Final answer
    x = 7,377,646.64

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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.