Home / 12,072,893.52-16,664,926.59-7,178,103.93

Finding the Fourth Proportional to 12,072,893.52, 16,664,926.59 and 7,178,103.93

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Solution

The fourth proportional to 12,072,893.52, 16,664,926.59 and 7,178,103.93 is: 9,908,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,893.52 : 16,664,926.59 = 7,178,103.93 : x
  2. Step 2: Convert to fraction form
    12,072,893.52/16,664,926.59 = 7,178,103.93/x
  3. Step 3: Cross multiply
    12,072,893.52x = 16,664,926.59 × 7,178,103.93
  4. Step 4: Simplify right side
    12,072,893.52x = 119,622,575,048,840.50
  5. Step 5: Solve for x
    x = 119,622,575,048,840.50/12,072,893.52
  6. Step 6: Final answer
    x = 9,908,359.98

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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.