Home / 14,227,687.52-19,636,689.84-8,429,733.60

Finding the Fourth Proportional to 14,227,687.52, 19,636,689.84 and 8,429,733.60

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Solution

The fourth proportional to 14,227,687.52, 19,636,689.84 and 8,429,733.60 is: 11,634,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227,687.52 : 19,636,689.84 = 8,429,733.60 : x
  2. Step 2: Convert to fraction form
    14,227,687.52/19,636,689.84 = 8,429,733.60/x
  3. Step 3: Cross multiply
    14,227,687.52x = 19,636,689.84 × 8,429,733.60
  4. Step 4: Simplify right side
    14,227,687.52x = 165,532,064,137,026.62
  5. Step 5: Solve for x
    x = 165,532,064,137,026.62/14,227,687.52
  6. Step 6: Final answer
    x = 11,634,502.37

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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.