Home / 15,280,846.32-21,117,811.41-12,523,185.12

Finding the Fourth Proportional to 15,280,846.32, 21,117,811.41 and 12,523,185.12

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Solution

The fourth proportional to 15,280,846.32, 21,117,811.41 and 12,523,185.12 is: 17,306,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,846.32 : 21,117,811.41 = 12,523,185.12 : x
  2. Step 2: Convert to fraction form
    15,280,846.32/21,117,811.41 = 12,523,185.12/x
  3. Step 3: Cross multiply
    15,280,846.32x = 21,117,811.41 × 12,523,185.12
  4. Step 4: Simplify right side
    15,280,846.32x = 264,462,261,616,678.22
  5. Step 5: Solve for x
    x = 264,462,261,616,678.22/15,280,846.32
  6. Step 6: Final answer
    x = 17,306,781.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.