Home / 28,673,562.60-42,939,485.10-19,036,765.80

Finding the Fourth Proportional to 28,673,562.60, 42,939,485.10 and 19,036,765.80

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Solution

The fourth proportional to 28,673,562.60, 42,939,485.10 and 19,036,765.80 is: 28,508,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,562.60 : 42,939,485.10 = 19,036,765.80 : x
  2. Step 2: Convert to fraction form
    28,673,562.60/42,939,485.10 = 19,036,765.80/x
  3. Step 3: Cross multiply
    28,673,562.60x = 42,939,485.10 × 19,036,765.80
  4. Step 4: Simplify right side
    28,673,562.60x = 817,428,921,421,289.62
  5. Step 5: Solve for x
    x = 817,428,921,421,289.62/28,673,562.60
  6. Step 6: Final answer
    x = 28,508,104.58

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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.