Home / 16,890,192.18-23,307,840.77-9,155,068.43

Finding the Fourth Proportional to 16,890,192.18, 23,307,840.77 and 9,155,068.43

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Solution

The fourth proportional to 16,890,192.18, 23,307,840.77 and 9,155,068.43 is: 12,633,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890,192.18 : 23,307,840.77 = 9,155,068.43 : x
  2. Step 2: Convert to fraction form
    16,890,192.18/23,307,840.77 = 9,155,068.43/x
  3. Step 3: Cross multiply
    16,890,192.18x = 23,307,840.77 × 9,155,068.43
  4. Step 4: Simplify right side
    16,890,192.18x = 213,384,877,042,579.38
  5. Step 5: Solve for x
    x = 213,384,877,042,579.38/16,890,192.18
  6. Step 6: Final answer
    x = 12,633,655.96

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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.