Home / 30,885,382.30-42,604,119.56-19,262,767.54

Finding the Fourth Proportional to 30,885,382.30, 42,604,119.56 and 19,262,767.54

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Solution

The fourth proportional to 30,885,382.30, 42,604,119.56 and 19,262,767.54 is: 26,571,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,382.30 : 42,604,119.56 = 19,262,767.54 : x
  2. Step 2: Convert to fraction form
    30,885,382.30/42,604,119.56 = 19,262,767.54/x
  3. Step 3: Cross multiply
    30,885,382.30x = 42,604,119.56 × 19,262,767.54
  4. Step 4: Simplify right side
    30,885,382.30x = 820,673,251,330,647.12
  5. Step 5: Solve for x
    x = 820,673,251,330,647.12/30,885,382.30
  6. Step 6: Final answer
    x = 26,571,574.97

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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.