Home / 19,560,280.80-29,350,918.80-8,201,877.60

Finding the Fourth Proportional to 19,560,280.80, 29,350,918.80 and 8,201,877.60

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Solution

The fourth proportional to 19,560,280.80, 29,350,918.80 and 8,201,877.60 is: 12,307,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560,280.80 : 29,350,918.80 = 8,201,877.60 : x
  2. Step 2: Convert to fraction form
    19,560,280.80/29,350,918.80 = 8,201,877.60/x
  3. Step 3: Cross multiply
    19,560,280.80x = 29,350,918.80 × 8,201,877.60
  4. Step 4: Simplify right side
    19,560,280.80x = 240,732,643,445,138.88
  5. Step 5: Solve for x
    x = 240,732,643,445,138.88/19,560,280.80
  6. Step 6: Final answer
    x = 12,307,218.18

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1.5x scale

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.