Home / 28,467,680.80-42,643,460.40-17,651,783.20

Finding the Fourth Proportional to 28,467,680.80, 42,643,460.40 and 17,651,783.20

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Solution

The fourth proportional to 28,467,680.80, 42,643,460.40 and 17,651,783.20 is: 26,441,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467,680.80 : 42,643,460.40 = 17,651,783.20 : x
  2. Step 2: Convert to fraction form
    28,467,680.80/42,643,460.40 = 17,651,783.20/x
  3. Step 3: Cross multiply
    28,467,680.80x = 42,643,460.40 × 17,651,783.20
  4. Step 4: Simplify right side
    28,467,680.80x = 752,733,117,878,585.25
  5. Step 5: Solve for x
    x = 752,733,117,878,585.25/28,467,680.80
  6. Step 6: Final answer
    x = 26,441,673.39

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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.