Home / 28,736,521.20-43,104,781.80-11,688,418.80

Finding the Fourth Proportional to 28,736,521.20, 43,104,781.80 and 11,688,418.80

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Solution

The fourth proportional to 28,736,521.20, 43,104,781.80 and 11,688,418.80 is: 17,532,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736,521.20 : 43,104,781.80 = 11,688,418.80 : x
  2. Step 2: Convert to fraction form
    28,736,521.20/43,104,781.80 = 11,688,418.80/x
  3. Step 3: Cross multiply
    28,736,521.20x = 43,104,781.80 × 11,688,418.80
  4. Step 4: Simplify right side
    28,736,521.20x = 503,826,741,961,017.81
  5. Step 5: Solve for x
    x = 503,826,741,961,017.81/28,736,521.20
  6. Step 6: Final answer
    x = 17,532,628.20

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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.