Home / 11,686,728.54-16,127,766.45-6,530,307.42

Finding the Fourth Proportional to 11,686,728.54, 16,127,766.45 and 6,530,307.42

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Solution

The fourth proportional to 11,686,728.54, 16,127,766.45 and 6,530,307.42 is: 9,011,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686,728.54 : 16,127,766.45 = 6,530,307.42 : x
  2. Step 2: Convert to fraction form
    11,686,728.54/16,127,766.45 = 6,530,307.42/x
  3. Step 3: Cross multiply
    11,686,728.54x = 16,127,766.45 × 6,530,307.42
  4. Step 4: Simplify right side
    11,686,728.54x = 105,319,272,916,462.05
  5. Step 5: Solve for x
    x = 105,319,272,916,462.05/11,686,728.54
  6. Step 6: Final answer
    x = 9,011,869.54

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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.