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Finding the Fourth Proportional to 9,819,613.11, 13,551,486.48 and 5,468,699.41

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Solution

The fourth proportional to 9,819,613.11, 13,551,486.48 and 5,468,699.41 is: 7,547,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819,613.11 : 13,551,486.48 = 5,468,699.41 : x
  2. Step 2: Convert to fraction form
    9,819,613.11/13,551,486.48 = 5,468,699.41/x
  3. Step 3: Cross multiply
    9,819,613.11x = 13,551,486.48 × 5,468,699.41
  4. Step 4: Simplify right side
    9,819,613.11x = 74,109,006,068,536.81
  5. Step 5: Solve for x
    x = 74,109,006,068,536.81/9,819,613.11
  6. Step 6: Final answer
    x = 7,547,039.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.