Home / 12,783,458.40-19,175,187.60-3,808,010.40

Finding the Fourth Proportional to 12,783,458.40, 19,175,187.60 and 3,808,010.40

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Solution

The fourth proportional to 12,783,458.40, 19,175,187.60 and 3,808,010.40 is: 5,712,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,458.40 : 19,175,187.60 = 3,808,010.40 : x
  2. Step 2: Convert to fraction form
    12,783,458.40/19,175,187.60 = 3,808,010.40/x
  3. Step 3: Cross multiply
    12,783,458.40x = 19,175,187.60 × 3,808,010.40
  4. Step 4: Simplify right side
    12,783,458.40x = 73,019,313,802,751.05
  5. Step 5: Solve for x
    x = 73,019,313,802,751.05/12,783,458.40
  6. Step 6: Final answer
    x = 5,712,015.60

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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.