Home / 14,947,549.38-20,627,618.25-8,072,031.44

Finding the Fourth Proportional to 14,947,549.38, 20,627,618.25 and 8,072,031.44

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Solution

The fourth proportional to 14,947,549.38, 20,627,618.25 and 8,072,031.44 is: 11,139,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,549.38 : 20,627,618.25 = 8,072,031.44 : x
  2. Step 2: Convert to fraction form
    14,947,549.38/20,627,618.25 = 8,072,031.44/x
  3. Step 3: Cross multiply
    14,947,549.38x = 20,627,618.25 × 8,072,031.44
  4. Step 4: Simplify right side
    14,947,549.38x = 166,506,783,128,156.94
  5. Step 5: Solve for x
    x = 166,506,783,128,156.94/14,947,549.38
  6. Step 6: Final answer
    x = 11,139,403.45

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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.