Home / 10,728,047.40-16,092,071.10-6,466,021.80

Finding the Fourth Proportional to 10,728,047.40, 16,092,071.10 and 6,466,021.80

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Solution

The fourth proportional to 10,728,047.40, 16,092,071.10 and 6,466,021.80 is: 9,699,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,047.40 : 16,092,071.10 = 6,466,021.80 : x
  2. Step 2: Convert to fraction form
    10,728,047.40/16,092,071.10 = 6,466,021.80/x
  3. Step 3: Cross multiply
    10,728,047.40x = 16,092,071.10 × 6,466,021.80
  4. Step 4: Simplify right side
    10,728,047.40x = 104,051,682,539,749.97
  5. Step 5: Solve for x
    x = 104,051,682,539,749.97/10,728,047.40
  6. Step 6: Final answer
    x = 9,699,032.70

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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.