Home / 13,443,669.90-20,160,564.12-4,805,439.36

Finding the Fourth Proportional to 13,443,669.90, 20,160,564.12 and 4,805,439.36

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Solution

The fourth proportional to 13,443,669.90, 20,160,564.12 and 4,805,439.36 is: 7,206,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,669.90 : 20,160,564.12 = 4,805,439.36 : x
  2. Step 2: Convert to fraction form
    13,443,669.90/20,160,564.12 = 4,805,439.36/x
  3. Step 3: Cross multiply
    13,443,669.90x = 20,160,564.12 × 4,805,439.36
  4. Step 4: Simplify right side
    13,443,669.90x = 96,880,368,342,051.78
  5. Step 5: Solve for x
    x = 96,880,368,342,051.78/13,443,669.90
  6. Step 6: Final answer
    x = 7,206,392.98

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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.