Home / 28,461,305.94-42,664,685.76-12,044,006.43

Finding the Fourth Proportional to 28,461,305.94, 42,664,685.76 and 12,044,006.43

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Solution

The fourth proportional to 28,461,305.94, 42,664,685.76 and 12,044,006.43 is: 18,054,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461,305.94 : 42,664,685.76 = 12,044,006.43 : x
  2. Step 2: Convert to fraction form
    28,461,305.94/42,664,685.76 = 12,044,006.43/x
  3. Step 3: Cross multiply
    28,461,305.94x = 42,664,685.76 × 12,044,006.43
  4. Step 4: Simplify right side
    28,461,305.94x = 513,853,749,627,369.38
  5. Step 5: Solve for x
    x = 513,853,749,627,369.38/28,461,305.94
  6. Step 6: Final answer
    x = 18,054,468.43

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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.