Home / 27,595,831.42-38,083,919.50-15,205,909.85

Finding the Fourth Proportional to 27,595,831.42, 38,083,919.50 and 15,205,909.85

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Solution

The fourth proportional to 27,595,831.42, 38,083,919.50 and 15,205,909.85 is: 20,985,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595,831.42 : 38,083,919.50 = 15,205,909.85 : x
  2. Step 2: Convert to fraction form
    27,595,831.42/38,083,919.50 = 15,205,909.85/x
  3. Step 3: Cross multiply
    27,595,831.42x = 38,083,919.50 × 15,205,909.85
  4. Step 4: Simplify right side
    27,595,831.42x = 579,100,646,557,408.12
  5. Step 5: Solve for x
    x = 579,100,646,557,408.12/27,595,831.42
  6. Step 6: Final answer
    x = 20,985,076.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.