Home / 12,932,767.09-19,400,651.47-4,297,638.16

Finding the Fourth Proportional to 12,932,767.09, 19,400,651.47 and 4,297,638.16

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Solution

The fourth proportional to 12,932,767.09, 19,400,651.47 and 4,297,638.16 is: 6,446,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,767.09 : 19,400,651.47 = 4,297,638.16 : x
  2. Step 2: Convert to fraction form
    12,932,767.09/19,400,651.47 = 4,297,638.16/x
  3. Step 3: Cross multiply
    12,932,767.09x = 19,400,651.47 × 4,297,638.16
  4. Step 4: Simplify right side
    12,932,767.09x = 83,376,980,091,780.73
  5. Step 5: Solve for x
    x = 83,376,980,091,780.73/12,932,767.09
  6. Step 6: Final answer
    x = 6,446,955.98

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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.