Home / 21,550,177.20-32,325,265.80-19,786,580.40

Finding the Fourth Proportional to 21,550,177.20, 32,325,265.80 and 19,786,580.40

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Solution

The fourth proportional to 21,550,177.20, 32,325,265.80 and 19,786,580.40 is: 29,679,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,177.20 : 32,325,265.80 = 19,786,580.40 : x
  2. Step 2: Convert to fraction form
    21,550,177.20/32,325,265.80 = 19,786,580.40/x
  3. Step 3: Cross multiply
    21,550,177.20x = 32,325,265.80 × 19,786,580.40
  4. Step 4: Simplify right side
    21,550,177.20x = 639,606,470,703,070.25
  5. Step 5: Solve for x
    x = 639,606,470,703,070.25/21,550,177.20
  6. Step 6: Final answer
    x = 29,679,870.60

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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.