Home / 28,061,603.70-42,092,405.55-17,243,826.90

Finding the Fourth Proportional to 28,061,603.70, 42,092,405.55 and 17,243,826.90

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Solution

The fourth proportional to 28,061,603.70, 42,092,405.55 and 17,243,826.90 is: 25,865,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061,603.70 : 42,092,405.55 = 17,243,826.90 : x
  2. Step 2: Convert to fraction form
    28,061,603.70/42,092,405.55 = 17,243,826.90/x
  3. Step 3: Cross multiply
    28,061,603.70x = 42,092,405.55 × 17,243,826.90
  4. Step 4: Simplify right side
    28,061,603.70x = 725,834,155,108,799.12
  5. Step 5: Solve for x
    x = 725,834,155,108,799.12/28,061,603.70
  6. Step 6: Final answer
    x = 25,865,740.35

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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.