Home / 28,396,004.40-42,598,410.54-12,001,357.92

Finding the Fourth Proportional to 28,396,004.40, 42,598,410.54 and 12,001,357.92

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Solution

The fourth proportional to 28,396,004.40, 42,598,410.54 and 12,001,357.92 is: 18,003,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,004.40 : 42,598,410.54 = 12,001,357.92 : x
  2. Step 2: Convert to fraction form
    28,396,004.40/42,598,410.54 = 12,001,357.92/x
  3. Step 3: Cross multiply
    28,396,004.40x = 42,598,410.54 × 12,001,357.92
  4. Step 4: Simplify right side
    28,396,004.40x = 511,238,771,713,640.44
  5. Step 5: Solve for x
    x = 511,238,771,713,640.44/28,396,004.40
  6. Step 6: Final answer
    x = 18,003,898.17

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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.