Home / 10,553,015.12-14,543,257.52-8,457,477.28

Finding the Fourth Proportional to 10,553,015.12, 14,543,257.52 and 8,457,477.28

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Solution

The fourth proportional to 10,553,015.12, 14,543,257.52 and 8,457,477.28 is: 11,655,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,015.12 : 14,543,257.52 = 8,457,477.28 : x
  2. Step 2: Convert to fraction form
    10,553,015.12/14,543,257.52 = 8,457,477.28/x
  3. Step 3: Cross multiply
    10,553,015.12x = 14,543,257.52 × 8,457,477.28
  4. Step 4: Simplify right side
    10,553,015.12x = 122,999,270,052,589.12
  5. Step 5: Solve for x
    x = 122,999,270,052,589.12/10,553,015.12
  6. Step 6: Final answer
    x = 11,655,367.56

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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.