Home / 28,026,845.10-42,020,091.36-17,221,822.02

Finding the Fourth Proportional to 28,026,845.10, 42,020,091.36 and 17,221,822.02

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Solution

The fourth proportional to 28,026,845.10, 42,020,091.36 and 17,221,822.02 is: 25,820,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,845.10 : 42,020,091.36 = 17,221,822.02 : x
  2. Step 2: Convert to fraction form
    28,026,845.10/42,020,091.36 = 17,221,822.02/x
  3. Step 3: Cross multiply
    28,026,845.10x = 42,020,091.36 × 17,221,822.02
  4. Step 4: Simplify right side
    28,026,845.10x = 723,662,534,666,059.75
  5. Step 5: Solve for x
    x = 723,662,534,666,059.75/28,026,845.10
  6. Step 6: Final answer
    x = 25,820,335.19

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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.