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Finding the Fourth Proportional to 10,755,814.40, 16,133,721.60 and 10,755,814.40

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Solution

The fourth proportional to 10,755,814.40, 16,133,721.60 and 10,755,814.40 is: 16,133,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755,814.40 : 16,133,721.60 = 10,755,814.40 : x
  2. Step 2: Convert to fraction form
    10,755,814.40/16,133,721.60 = 10,755,814.40/x
  3. Step 3: Cross multiply
    10,755,814.40x = 16,133,721.60 × 10,755,814.40
  4. Step 4: Simplify right side
    10,755,814.40x = 173,531,315,110,871.03
  5. Step 5: Solve for x
    x = 173,531,315,110,871.03/10,755,814.40
  6. Step 6: Final answer
    x = 16,133,721.60

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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.