Home / 21,860,887.20-32,791,330.80-19,404,448.80

Finding the Fourth Proportional to 21,860,887.20, 32,791,330.80 and 19,404,448.80

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Solution

The fourth proportional to 21,860,887.20, 32,791,330.80 and 19,404,448.80 is: 29,106,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,887.20 : 32,791,330.80 = 19,404,448.80 : x
  2. Step 2: Convert to fraction form
    21,860,887.20/32,791,330.80 = 19,404,448.80/x
  3. Step 3: Cross multiply
    21,860,887.20x = 32,791,330.80 × 19,404,448.80
  4. Step 4: Simplify right side
    21,860,887.20x = 636,297,699,592,463.12
  5. Step 5: Solve for x
    x = 636,297,699,592,463.12/21,860,887.20
  6. Step 6: Final answer
    x = 29,106,673.20

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1.5x scale

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.