Home / 14,229,122.78-19,638,514.60-8,725,526.76

Finding the Fourth Proportional to 14,229,122.78, 19,638,514.60 and 8,725,526.76

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Solution

The fourth proportional to 14,229,122.78, 19,638,514.60 and 8,725,526.76 is: 12,042,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,122.78 : 19,638,514.60 = 8,725,526.76 : x
  2. Step 2: Convert to fraction form
    14,229,122.78/19,638,514.60 = 8,725,526.76/x
  3. Step 3: Cross multiply
    14,229,122.78x = 19,638,514.60 × 8,725,526.76
  4. Step 4: Simplify right side
    14,229,122.78x = 171,356,384,668,950.72
  5. Step 5: Solve for x
    x = 171,356,384,668,950.72/14,229,122.78
  6. Step 6: Final answer
    x = 12,042,652.76

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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.