Home / 38,238,838.85-52,769,605.20-20,835,184.07

Finding the Fourth Proportional to 38,238,838.85, 52,769,605.20 and 20,835,184.07

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Solution

The fourth proportional to 38,238,838.85, 52,769,605.20 and 20,835,184.07 is: 28,752,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,838.85 : 52,769,605.20 = 20,835,184.07 : x
  2. Step 2: Convert to fraction form
    38,238,838.85/52,769,605.20 = 20,835,184.07/x
  3. Step 3: Cross multiply
    38,238,838.85x = 52,769,605.20 × 20,835,184.07
  4. Step 4: Simplify right side
    38,238,838.85x = 1,099,464,437,327,293.25
  5. Step 5: Solve for x
    x = 1,099,464,437,327,293.25/38,238,838.85
  6. Step 6: Final answer
    x = 28,752,558.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.