Home / 13,525,085.22-20,285,665.65-4,427,543.22

Finding the Fourth Proportional to 13,525,085.22, 20,285,665.65 and 4,427,543.22

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Solution

The fourth proportional to 13,525,085.22, 20,285,665.65 and 4,427,543.22 is: 6,640,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,085.22 : 20,285,665.65 = 4,427,543.22 : x
  2. Step 2: Convert to fraction form
    13,525,085.22/20,285,665.65 = 4,427,543.22/x
  3. Step 3: Cross multiply
    13,525,085.22x = 20,285,665.65 × 4,427,543.22
  4. Step 4: Simplify right side
    13,525,085.22x = 89,815,661,411,844.38
  5. Step 5: Solve for x
    x = 89,815,661,411,844.38/13,525,085.22
  6. Step 6: Final answer
    x = 6,640,672.49

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1.5x scale

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.