Home / 14,537,666.10-21,782,879.55-12,128,466.90

Finding the Fourth Proportional to 14,537,666.10, 21,782,879.55 and 12,128,466.90

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Solution

The fourth proportional to 14,537,666.10, 21,782,879.55 and 12,128,466.90 is: 18,172,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,666.10 : 21,782,879.55 = 12,128,466.90 : x
  2. Step 2: Convert to fraction form
    14,537,666.10/21,782,879.55 = 12,128,466.90/x
  3. Step 3: Cross multiply
    14,537,666.10x = 21,782,879.55 × 12,128,466.90
  4. Step 4: Simplify right side
    14,537,666.10x = 264,192,933,608,861.91
  5. Step 5: Solve for x
    x = 264,192,933,608,861.91/14,537,666.10
  6. Step 6: Final answer
    x = 18,172,995.02

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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.