Home / 12,208,331.20-18,315,412.80-3,688,751.20

Finding the Fourth Proportional to 12,208,331.20, 18,315,412.80 and 3,688,751.20

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Solution

The fourth proportional to 12,208,331.20, 18,315,412.80 and 3,688,751.20 is: 5,534,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,331.20 : 18,315,412.80 = 3,688,751.20 : x
  2. Step 2: Convert to fraction form
    12,208,331.20/18,315,412.80 = 3,688,751.20/x
  3. Step 3: Cross multiply
    12,208,331.20x = 18,315,412.80 × 3,688,751.20
  4. Step 4: Simplify right side
    12,208,331.20x = 67,561,000,944,495.37
  5. Step 5: Solve for x
    x = 67,561,000,944,495.37/12,208,331.20
  6. Step 6: Final answer
    x = 5,534,007.87

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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.