Home / 21,555,400.80-32,333,101.20-19,564,744.80

Finding the Fourth Proportional to 21,555,400.80, 32,333,101.20 and 19,564,744.80

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Solution

The fourth proportional to 21,555,400.80, 32,333,101.20 and 19,564,744.80 is: 29,347,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,400.80 : 32,333,101.20 = 19,564,744.80 : x
  2. Step 2: Convert to fraction form
    21,555,400.80/32,333,101.20 = 19,564,744.80/x
  3. Step 3: Cross multiply
    21,555,400.80x = 32,333,101.20 × 19,564,744.80
  4. Step 4: Simplify right side
    21,555,400.80x = 632,588,873,570,573.75
  5. Step 5: Solve for x
    x = 632,588,873,570,573.75/21,555,400.80
  6. Step 6: Final answer
    x = 29,347,117.20

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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.