Home / 15,616,811.12-21,573,647.86-12,472,946.96

Finding the Fourth Proportional to 15,616,811.12, 21,573,647.86 and 12,472,946.96

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Solution

The fourth proportional to 15,616,811.12, 21,573,647.86 and 12,472,946.96 is: 17,230,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616,811.12 : 21,573,647.86 = 12,472,946.96 : x
  2. Step 2: Convert to fraction form
    15,616,811.12/21,573,647.86 = 12,472,946.96/x
  3. Step 3: Cross multiply
    15,616,811.12x = 21,573,647.86 × 12,472,946.96
  4. Step 4: Simplify right side
    15,616,811.12x = 269,086,965,381,710.16
  5. Step 5: Solve for x
    x = 269,086,965,381,710.16/15,616,811.12
  6. Step 6: Final answer
    x = 17,230,596.14

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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.