Home / 26,838,021.40-40,257,032.10-18,618,400.60

Finding the Fourth Proportional to 26,838,021.40, 40,257,032.10 and 18,618,400.60

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Solution

The fourth proportional to 26,838,021.40, 40,257,032.10 and 18,618,400.60 is: 27,927,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838,021.40 : 40,257,032.10 = 18,618,400.60 : x
  2. Step 2: Convert to fraction form
    26,838,021.40/40,257,032.10 = 18,618,400.60/x
  3. Step 3: Cross multiply
    26,838,021.40x = 40,257,032.10 × 18,618,400.60
  4. Step 4: Simplify right side
    26,838,021.40x = 749,521,550,604,859.38
  5. Step 5: Solve for x
    x = 749,521,550,604,859.38/26,838,021.40
  6. Step 6: Final answer
    x = 27,927,600.90

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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.