Home / 28,731,649.20-43,097,473.80-17,961,111.60

Finding the Fourth Proportional to 28,731,649.20, 43,097,473.80 and 17,961,111.60

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Solution

The fourth proportional to 28,731,649.20, 43,097,473.80 and 17,961,111.60 is: 26,941,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,649.20 : 43,097,473.80 = 17,961,111.60 : x
  2. Step 2: Convert to fraction form
    28,731,649.20/43,097,473.80 = 17,961,111.60/x
  3. Step 3: Cross multiply
    28,731,649.20x = 43,097,473.80 × 17,961,111.60
  4. Step 4: Simplify right side
    28,731,649.20x = 774,078,536,599,876.12
  5. Step 5: Solve for x
    x = 774,078,536,599,876.12/28,731,649.20
  6. Step 6: Final answer
    x = 26,941,667.40

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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.