Home / 13,541,813.79-20,314,262.08-4,909,979.26

Finding the Fourth Proportional to 13,541,813.79, 20,314,262.08 and 4,909,979.26

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Solution

The fourth proportional to 13,541,813.79, 20,314,262.08 and 4,909,979.26 is: 7,365,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,813.79 : 20,314,262.08 = 4,909,979.26 : x
  2. Step 2: Convert to fraction form
    13,541,813.79/20,314,262.08 = 4,909,979.26/x
  3. Step 3: Cross multiply
    13,541,813.79x = 20,314,262.08 × 4,909,979.26
  4. Step 4: Simplify right side
    13,541,813.79x = 99,742,605,498,916.12
  5. Step 5: Solve for x
    x = 99,742,605,498,916.12/13,541,813.79
  6. Step 6: Final answer
    x = 7,365,527.77

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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.