Home / 28,522,029.60-42,783,044.40-13,169,289.60

Finding the Fourth Proportional to 28,522,029.60, 42,783,044.40 and 13,169,289.60

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Solution

The fourth proportional to 28,522,029.60, 42,783,044.40 and 13,169,289.60 is: 19,753,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,029.60 : 42,783,044.40 = 13,169,289.60 : x
  2. Step 2: Convert to fraction form
    28,522,029.60/42,783,044.40 = 13,169,289.60/x
  3. Step 3: Cross multiply
    28,522,029.60x = 42,783,044.40 × 13,169,289.60
  4. Step 4: Simplify right side
    28,522,029.60x = 563,422,301,673,258.25
  5. Step 5: Solve for x
    x = 563,422,301,673,258.25/28,522,029.60
  6. Step 6: Final answer
    x = 19,753,934.40

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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.