Home / 12,671,998.80-19,007,998.20-10,283,211.60

Finding the Fourth Proportional to 12,671,998.80, 19,007,998.20 and 10,283,211.60

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Solution

The fourth proportional to 12,671,998.80, 19,007,998.20 and 10,283,211.60 is: 15,424,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,998.80 : 19,007,998.20 = 10,283,211.60 : x
  2. Step 2: Convert to fraction form
    12,671,998.80/19,007,998.20 = 10,283,211.60/x
  3. Step 3: Cross multiply
    12,671,998.80x = 19,007,998.20 × 10,283,211.60
  4. Step 4: Simplify right side
    12,671,998.80x = 195,463,267,583,019.09
  5. Step 5: Solve for x
    x = 195,463,267,583,019.09/12,671,998.80
  6. Step 6: Final answer
    x = 15,424,817.40

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Similar ratio
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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.