Home / 19,010,533.40-28,494,804.90-10,496,979.80

Finding the Fourth Proportional to 19,010,533.40, 28,494,804.90 and 10,496,979.80

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Solution

The fourth proportional to 19,010,533.40, 28,494,804.90 and 10,496,979.80 is: 15,733,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,533.40 : 28,494,804.90 = 10,496,979.80 : x
  2. Step 2: Convert to fraction form
    19,010,533.40/28,494,804.90 = 10,496,979.80/x
  3. Step 3: Cross multiply
    19,010,533.40x = 28,494,804.90 × 10,496,979.80
  4. Step 4: Simplify right side
    19,010,533.40x = 299,109,391,440,241
  5. Step 5: Solve for x
    x = 299,109,391,440,241/19,010,533.40
  6. Step 6: Final answer
    x = 15,733,876.85

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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.