Home / 12,526,857.98-18,790,297.32-3,429,030.92

Finding the Fourth Proportional to 12,526,857.98, 18,790,297.32 and 3,429,030.92

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Solution

The fourth proportional to 12,526,857.98, 18,790,297.32 and 3,429,030.92 is: 5,143,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,857.98 : 18,790,297.32 = 3,429,030.92 : x
  2. Step 2: Convert to fraction form
    12,526,857.98/18,790,297.32 = 3,429,030.92/x
  3. Step 3: Cross multiply
    12,526,857.98x = 18,790,297.32 × 3,429,030.92
  4. Step 4: Simplify right side
    12,526,857.98x = 64,432,510,506,273.13
  5. Step 5: Solve for x
    x = 64,432,510,506,273.13/12,526,857.98
  6. Step 6: Final answer
    x = 5,143,549.21

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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.