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Finding the Fourth Proportional to 11,335,500.84, 16,978,328.02 and 9,367,930.18

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Solution

The fourth proportional to 11,335,500.84, 16,978,328.02 and 9,367,930.18 is: 14,031,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335,500.84 : 16,978,328.02 = 9,367,930.18 : x
  2. Step 2: Convert to fraction form
    11,335,500.84/16,978,328.02 = 9,367,930.18/x
  3. Step 3: Cross multiply
    11,335,500.84x = 16,978,328.02 × 9,367,930.18
  4. Step 4: Simplify right side
    11,335,500.84x = 159,051,791,497,430.47
  5. Step 5: Solve for x
    x = 159,051,791,497,430.47/11,335,500.84
  6. Step 6: Final answer
    x = 14,031,298.10

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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.