Home / 12,980,600.88-17,913,770.99-7,473,838.76

Finding the Fourth Proportional to 12,980,600.88, 17,913,770.99 and 7,473,838.76

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Solution

The fourth proportional to 12,980,600.88, 17,913,770.99 and 7,473,838.76 is: 10,314,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,600.88 : 17,913,770.99 = 7,473,838.76 : x
  2. Step 2: Convert to fraction form
    12,980,600.88/17,913,770.99 = 7,473,838.76/x
  3. Step 3: Cross multiply
    12,980,600.88x = 17,913,770.99 × 7,473,838.76
  4. Step 4: Simplify right side
    12,980,600.88x = 133,884,636,052,879.94
  5. Step 5: Solve for x
    x = 133,884,636,052,879.94/12,980,600.88
  6. Step 6: Final answer
    x = 10,314,209.43

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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.