Home / 28,402,496.30-42,603,744.45-21,684,032.30

Finding the Fourth Proportional to 28,402,496.30, 42,603,744.45 and 21,684,032.30

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Solution

The fourth proportional to 28,402,496.30, 42,603,744.45 and 21,684,032.30 is: 32,526,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,496.30 : 42,603,744.45 = 21,684,032.30 : x
  2. Step 2: Convert to fraction form
    28,402,496.30/42,603,744.45 = 21,684,032.30/x
  3. Step 3: Cross multiply
    28,402,496.30x = 42,603,744.45 × 21,684,032.30
  4. Step 4: Simplify right side
    28,402,496.30x = 923,820,970,754,745.88
  5. Step 5: Solve for x
    x = 923,820,970,754,745.88/28,402,496.30
  6. Step 6: Final answer
    x = 32,526,048.45

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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.