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Finding the Fourth Proportional to 13,347,269.10, 20,020,903.65 and 4,828,920.30

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Solution

The fourth proportional to 13,347,269.10, 20,020,903.65 and 4,828,920.30 is: 7,243,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,269.10 : 20,020,903.65 = 4,828,920.30 : x
  2. Step 2: Convert to fraction form
    13,347,269.10/20,020,903.65 = 4,828,920.30/x
  3. Step 3: Cross multiply
    13,347,269.10x = 20,020,903.65 × 4,828,920.30
  4. Step 4: Simplify right side
    13,347,269.10x = 96,679,348,059,829.08
  5. Step 5: Solve for x
    x = 96,679,348,059,829.08/13,347,269.10
  6. Step 6: Final answer
    x = 7,243,380.45

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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.