Home / 38,113,965.38-52,597,605.45-20,710,310.55

Finding the Fourth Proportional to 38,113,965.38, 52,597,605.45 and 20,710,310.55

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Solution

The fourth proportional to 38,113,965.38, 52,597,605.45 and 20,710,310.55 is: 28,580,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,965.38 : 52,597,605.45 = 20,710,310.55 : x
  2. Step 2: Convert to fraction form
    38,113,965.38/52,597,605.45 = 20,710,310.55/x
  3. Step 3: Cross multiply
    38,113,965.38x = 52,597,605.45 × 20,710,310.55
  4. Step 4: Simplify right side
    38,113,965.38x = 1,089,312,742,936,295.12
  5. Step 5: Solve for x
    x = 1,089,312,742,936,295.12/38,113,965.38
  6. Step 6: Final answer
    x = 28,580,409.62

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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.