Home / 28,976,135.80-43,464,203.70-7,700,999.80

Finding the Fourth Proportional to 28,976,135.80, 43,464,203.70 and 7,700,999.80

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Solution

The fourth proportional to 28,976,135.80, 43,464,203.70 and 7,700,999.80 is: 11,551,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976,135.80 : 43,464,203.70 = 7,700,999.80 : x
  2. Step 2: Convert to fraction form
    28,976,135.80/43,464,203.70 = 7,700,999.80/x
  3. Step 3: Cross multiply
    28,976,135.80x = 43,464,203.70 × 7,700,999.80
  4. Step 4: Simplify right side
    28,976,135.80x = 334,717,824,000,859.25
  5. Step 5: Solve for x
    x = 334,717,824,000,859.25/28,976,135.80
  6. Step 6: Final answer
    x = 11,551,499.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.