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Finding the Fourth Proportional to 9,363,908.40, 14,045,862.60 and 8,748,049.20

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Solution

The fourth proportional to 9,363,908.40, 14,045,862.60 and 8,748,049.20 is: 13,122,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363,908.40 : 14,045,862.60 = 8,748,049.20 : x
  2. Step 2: Convert to fraction form
    9,363,908.40/14,045,862.60 = 8,748,049.20/x
  3. Step 3: Cross multiply
    9,363,908.40x = 14,045,862.60 × 8,748,049.20
  4. Step 4: Simplify right side
    9,363,908.40x = 122,873,897,081,239.91
  5. Step 5: Solve for x
    x = 122,873,897,081,239.91/9,363,908.40
  6. Step 6: Final answer
    x = 13,122,073.80

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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.