Home / 28,583,532.41-39,445,420.86-15,530,824.76

Finding the Fourth Proportional to 28,583,532.41, 39,445,420.86 and 15,530,824.76

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Solution

The fourth proportional to 28,583,532.41, 39,445,420.86 and 15,530,824.76 is: 21,432,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583,532.41 : 39,445,420.86 = 15,530,824.76 : x
  2. Step 2: Convert to fraction form
    28,583,532.41/39,445,420.86 = 15,530,824.76/x
  3. Step 3: Cross multiply
    28,583,532.41x = 39,445,420.86 × 15,530,824.76
  4. Step 4: Simplify right side
    28,583,532.41x = 612,619,919,059,722
  5. Step 5: Solve for x
    x = 612,619,919,059,722/28,583,532.41
  6. Step 6: Final answer
    x = 21,432,617.57

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1.5x scale

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.