Home / 28,753,233.12-39,679,653.87-15,700,583.16

Finding the Fourth Proportional to 28,753,233.12, 39,679,653.87 and 15,700,583.16

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Solution

The fourth proportional to 28,753,233.12, 39,679,653.87 and 15,700,583.16 is: 21,666,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753,233.12 : 39,679,653.87 = 15,700,583.16 : x
  2. Step 2: Convert to fraction form
    28,753,233.12/39,679,653.87 = 15,700,583.16/x
  3. Step 3: Cross multiply
    28,753,233.12x = 39,679,653.87 × 15,700,583.16
  4. Step 4: Simplify right side
    28,753,233.12x = 622,993,705,345,950.75
  5. Step 5: Solve for x
    x = 622,993,705,345,950.75/28,753,233.12
  6. Step 6: Final answer
    x = 21,666,909.69

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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.