Home / 12,744,918.40-19,114,720.80-4,661,701.60

Finding the Fourth Proportional to 12,744,918.40, 19,114,720.80 and 4,661,701.60

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Solution

The fourth proportional to 12,744,918.40, 19,114,720.80 and 4,661,701.60 is: 6,991,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,918.40 : 19,114,720.80 = 4,661,701.60 : x
  2. Step 2: Convert to fraction form
    12,744,918.40/19,114,720.80 = 4,661,701.60/x
  3. Step 3: Cross multiply
    12,744,918.40x = 19,114,720.80 × 4,661,701.60
  4. Step 4: Simplify right side
    12,744,918.40x = 89,107,124,536,913.28
  5. Step 5: Solve for x
    x = 89,107,124,536,913.28/12,744,918.40
  6. Step 6: Final answer
    x = 6,991,580.62

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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.