Home / 14,947,782.50-20,627,939.72-8,072,263.95

Finding the Fourth Proportional to 14,947,782.50, 20,627,939.72 and 8,072,263.95

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Solution

The fourth proportional to 14,947,782.50, 20,627,939.72 and 8,072,263.95 is: 11,139,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,782.50 : 20,627,939.72 = 8,072,263.95 : x
  2. Step 2: Convert to fraction form
    14,947,782.50/20,627,939.72 = 8,072,263.95/x
  3. Step 3: Cross multiply
    14,947,782.50x = 20,627,939.72 × 8,072,263.95
  4. Step 4: Simplify right side
    14,947,782.50x = 166,514,174,124,167.78
  5. Step 5: Solve for x
    x = 166,514,174,124,167.78/14,947,782.50
  6. Step 6: Final answer
    x = 11,139,724.18

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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.