Home / 29,191,790.17-40,285,511.39-16,139,891.72

Finding the Fourth Proportional to 29,191,790.17, 40,285,511.39 and 16,139,891.72

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Solution

The fourth proportional to 29,191,790.17, 40,285,511.39 and 16,139,891.72 is: 22,273,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191,790.17 : 40,285,511.39 = 16,139,891.72 : x
  2. Step 2: Convert to fraction form
    29,191,790.17/40,285,511.39 = 16,139,891.72/x
  3. Step 3: Cross multiply
    29,191,790.17x = 40,285,511.39 × 16,139,891.72
  4. Step 4: Simplify right side
    29,191,790.17x = 650,203,791,860,490.12
  5. Step 5: Solve for x
    x = 650,203,791,860,490.12/29,191,790.17
  6. Step 6: Final answer
    x = 22,273,515.53

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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.