Home / 13,763,931.90-20,644,563.74-4,179,394.68

Finding the Fourth Proportional to 13,763,931.90, 20,644,563.74 and 4,179,394.68

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Solution

The fourth proportional to 13,763,931.90, 20,644,563.74 and 4,179,394.68 is: 6,268,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,931.90 : 20,644,563.74 = 4,179,394.68 : x
  2. Step 2: Convert to fraction form
    13,763,931.90/20,644,563.74 = 4,179,394.68/x
  3. Step 3: Cross multiply
    13,763,931.90x = 20,644,563.74 × 4,179,394.68
  4. Step 4: Simplify right side
    13,763,931.90x = 86,281,779,865,876.91
  5. Step 5: Solve for x
    x = 86,281,779,865,876.91/13,763,931.90
  6. Step 6: Final answer
    x = 6,268,686.92

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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.