Home / 15,112,135.83-20,854,755.21-8,585,776.70

Finding the Fourth Proportional to 15,112,135.83, 20,854,755.21 and 8,585,776.70

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Solution

The fourth proportional to 15,112,135.83, 20,854,755.21 and 8,585,776.70 is: 11,848,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,135.83 : 20,854,755.21 = 8,585,776.70 : x
  2. Step 2: Convert to fraction form
    15,112,135.83/20,854,755.21 = 8,585,776.70/x
  3. Step 3: Cross multiply
    15,112,135.83x = 20,854,755.21 × 8,585,776.70
  4. Step 4: Simplify right side
    15,112,135.83x = 179,054,271,366,221.59
  5. Step 5: Solve for x
    x = 179,054,271,366,221.59/15,112,135.83
  6. Step 6: Final answer
    x = 11,848,376.26

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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.