Home / 27,259,276.80-40,888,915.20-19,606,526.40

Finding the Fourth Proportional to 27,259,276.80, 40,888,915.20 and 19,606,526.40

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Solution

The fourth proportional to 27,259,276.80, 40,888,915.20 and 19,606,526.40 is: 29,409,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,276.80 : 40,888,915.20 = 19,606,526.40 : x
  2. Step 2: Convert to fraction form
    27,259,276.80/40,888,915.20 = 19,606,526.40/x
  3. Step 3: Cross multiply
    27,259,276.80x = 40,888,915.20 × 19,606,526.40
  4. Step 4: Simplify right side
    27,259,276.80x = 801,689,595,336,161.25
  5. Step 5: Solve for x
    x = 801,689,595,336,161.25/27,259,276.80
  6. Step 6: Final answer
    x = 29,409,789.60

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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.