Home / 27,258,604.80-40,887,907.20-19,605,854.40

Finding the Fourth Proportional to 27,258,604.80, 40,887,907.20 and 19,605,854.40

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Solution

The fourth proportional to 27,258,604.80, 40,887,907.20 and 19,605,854.40 is: 29,408,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258,604.80 : 40,887,907.20 = 19,605,854.40 : x
  2. Step 2: Convert to fraction form
    27,258,604.80/40,887,907.20 = 19,605,854.40/x
  3. Step 3: Cross multiply
    27,258,604.80x = 40,887,907.20 × 19,605,854.40
  4. Step 4: Simplify right side
    27,258,604.80x = 801,642,355,283,911.62
  5. Step 5: Solve for x
    x = 801,642,355,283,911.62/27,258,604.80
  6. Step 6: Final answer
    x = 29,408,781.60

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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.