Home / 12,365,529.30-18,548,341.70-5,172,017.31

Finding the Fourth Proportional to 12,365,529.30, 18,548,341.70 and 5,172,017.31

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Solution

The fourth proportional to 12,365,529.30, 18,548,341.70 and 5,172,017.31 is: 7,758,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,529.30 : 18,548,341.70 = 5,172,017.31 : x
  2. Step 2: Convert to fraction form
    12,365,529.30/18,548,341.70 = 5,172,017.31/x
  3. Step 3: Cross multiply
    12,365,529.30x = 18,548,341.70 × 5,172,017.31
  4. Step 4: Simplify right side
    12,365,529.30x = 95,932,344,318,334.73
  5. Step 5: Solve for x
    x = 95,932,344,318,334.73/12,365,529.30
  6. Step 6: Final answer
    x = 7,758,045.93

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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.