Home / 28,067,010.30-42,100,515.45-19,457,666.10

Finding the Fourth Proportional to 28,067,010.30, 42,100,515.45 and 19,457,666.10

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Solution

The fourth proportional to 28,067,010.30, 42,100,515.45 and 19,457,666.10 is: 29,186,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,010.30 : 42,100,515.45 = 19,457,666.10 : x
  2. Step 2: Convert to fraction form
    28,067,010.30/42,100,515.45 = 19,457,666.10/x
  3. Step 3: Cross multiply
    28,067,010.30x = 42,100,515.45 × 19,457,666.10
  4. Step 4: Simplify right side
    28,067,010.30x = 819,177,772,263,991.38
  5. Step 5: Solve for x
    x = 819,177,772,263,991.38/28,067,010.30
  6. Step 6: Final answer
    x = 29,186,499.15

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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.