Home / 15,083,528.08-20,815,706.76-8,208,453.52

Finding the Fourth Proportional to 15,083,528.08, 20,815,706.76 and 8,208,453.52

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Solution

The fourth proportional to 15,083,528.08, 20,815,706.76 and 8,208,453.52 is: 11,327,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,528.08 : 20,815,706.76 = 8,208,453.52 : x
  2. Step 2: Convert to fraction form
    15,083,528.08/20,815,706.76 = 8,208,453.52/x
  3. Step 3: Cross multiply
    15,083,528.08x = 20,815,706.76 × 8,208,453.52
  4. Step 4: Simplify right side
    15,083,528.08x = 170,864,761,425,409.81
  5. Step 5: Solve for x
    x = 170,864,761,425,409.81/15,083,528.08
  6. Step 6: Final answer
    x = 11,327,904.22

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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.