Home / 30,802,858.32-42,527,998.80-19,793,850.24

Finding the Fourth Proportional to 30,802,858.32, 42,527,998.80 and 19,793,850.24

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Solution

The fourth proportional to 30,802,858.32, 42,527,998.80 and 19,793,850.24 is: 27,328,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,858.32 : 42,527,998.80 = 19,793,850.24 : x
  2. Step 2: Convert to fraction form
    30,802,858.32/42,527,998.80 = 19,793,850.24/x
  3. Step 3: Cross multiply
    30,802,858.32x = 42,527,998.80 × 19,793,850.24
  4. Step 4: Simplify right side
    30,802,858.32x = 841,792,839,254,099.62
  5. Step 5: Solve for x
    x = 841,792,839,254,099.62/30,802,858.32
  6. Step 6: Final answer
    x = 27,328,400.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.