Home / 10,366,189.50-14,310,520.47-6,447,208.89

Finding the Fourth Proportional to 10,366,189.50, 14,310,520.47 and 6,447,208.89

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Solution

The fourth proportional to 10,366,189.50, 14,310,520.47 and 6,447,208.89 is: 8,900,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,189.50 : 14,310,520.47 = 6,447,208.89 : x
  2. Step 2: Convert to fraction form
    10,366,189.50/14,310,520.47 = 6,447,208.89/x
  3. Step 3: Cross multiply
    10,366,189.50x = 14,310,520.47 × 6,447,208.89
  4. Step 4: Simplify right side
    10,366,189.50x = 92,262,914,794,710.98
  5. Step 5: Solve for x
    x = 92,262,914,794,710.98/10,366,189.50
  6. Step 6: Final answer
    x = 8,900,369.30

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1.5x scale

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.