Home / 13,487,208.58-18,612,310.20-7,292,211.94

Finding the Fourth Proportional to 13,487,208.58, 18,612,310.20 and 7,292,211.94

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Solution

The fourth proportional to 13,487,208.58, 18,612,310.20 and 7,292,211.94 is: 10,063,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,208.58 : 18,612,310.20 = 7,292,211.94 : x
  2. Step 2: Convert to fraction form
    13,487,208.58/18,612,310.20 = 7,292,211.94/x
  3. Step 3: Cross multiply
    13,487,208.58x = 18,612,310.20 × 7,292,211.94
  4. Step 4: Simplify right side
    13,487,208.58x = 135,724,910,671,423.80
  5. Step 5: Solve for x
    x = 135,724,910,671,423.80/13,487,208.58
  6. Step 6: Final answer
    x = 10,063,232.13

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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.