Home / 16,890,192.56-23,307,841.28-9,155,068.80

Finding the Fourth Proportional to 16,890,192.56, 23,307,841.28 and 9,155,068.80

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Solution

The fourth proportional to 16,890,192.56, 23,307,841.28 and 9,155,068.80 is: 12,633,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890,192.56 : 23,307,841.28 = 9,155,068.80 : x
  2. Step 2: Convert to fraction form
    16,890,192.56/23,307,841.28 = 9,155,068.80/x
  3. Step 3: Cross multiply
    16,890,192.56x = 23,307,841.28 × 9,155,068.80
  4. Step 4: Simplify right side
    16,890,192.56x = 213,384,890,520,767.75
  5. Step 5: Solve for x
    x = 213,384,890,520,767.75/16,890,192.56
  6. Step 6: Final answer
    x = 12,633,656.47

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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.