Home / 12,803,416.89-19,185,492.15-8,699,511.39

Finding the Fourth Proportional to 12,803,416.89, 19,185,492.15 and 8,699,511.39

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Solution

The fourth proportional to 12,803,416.89, 19,185,492.15 and 8,699,511.39 is: 13,035,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,416.89 : 19,185,492.15 = 8,699,511.39 : x
  2. Step 2: Convert to fraction form
    12,803,416.89/19,185,492.15 = 8,699,511.39/x
  3. Step 3: Cross multiply
    12,803,416.89x = 19,185,492.15 × 8,699,511.39
  4. Step 4: Simplify right side
    12,803,416.89x = 166,904,407,481,680.59
  5. Step 5: Solve for x
    x = 166,904,407,481,680.59/12,803,416.89
  6. Step 6: Final answer
    x = 13,035,926.97

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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.