Home / 21,726,920.80-32,590,381.20-9,782,984.80

Finding the Fourth Proportional to 21,726,920.80, 32,590,381.20 and 9,782,984.80

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Solution

The fourth proportional to 21,726,920.80, 32,590,381.20 and 9,782,984.80 is: 14,674,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,920.80 : 32,590,381.20 = 9,782,984.80 : x
  2. Step 2: Convert to fraction form
    21,726,920.80/32,590,381.20 = 9,782,984.80/x
  3. Step 3: Cross multiply
    21,726,920.80x = 32,590,381.20 × 9,782,984.80
  4. Step 4: Simplify right side
    21,726,920.80x = 318,831,203,905,805.75
  5. Step 5: Solve for x
    x = 318,831,203,905,805.75/21,726,920.80
  6. Step 6: Final answer
    x = 14,674,477.20

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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.