Home / 12,365,284.88-18,543,378.08-4,276,184.24

Finding the Fourth Proportional to 12,365,284.88, 18,543,378.08 and 4,276,184.24

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Solution

The fourth proportional to 12,365,284.88, 18,543,378.08 and 4,276,184.24 is: 6,412,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,284.88 : 18,543,378.08 = 4,276,184.24 : x
  2. Step 2: Convert to fraction form
    12,365,284.88/18,543,378.08 = 4,276,184.24/x
  3. Step 3: Cross multiply
    12,365,284.88x = 18,543,378.08 × 4,276,184.24
  4. Step 4: Simplify right side
    12,365,284.88x = 79,294,901,102,057.45
  5. Step 5: Solve for x
    x = 79,294,901,102,057.45/12,365,284.88
  6. Step 6: Final answer
    x = 6,412,703.13

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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.