Home / 22,477,486.77-31,018,986.86-12,164,284.89

Finding the Fourth Proportional to 22,477,486.77, 31,018,986.86 and 12,164,284.89

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Solution

The fourth proportional to 22,477,486.77, 31,018,986.86 and 12,164,284.89 is: 16,786,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477,486.77 : 31,018,986.86 = 12,164,284.89 : x
  2. Step 2: Convert to fraction form
    22,477,486.77/31,018,986.86 = 12,164,284.89/x
  3. Step 3: Cross multiply
    22,477,486.77x = 31,018,986.86 × 12,164,284.89
  4. Step 4: Simplify right side
    22,477,486.77x = 377,323,793,103,385.12
  5. Step 5: Solve for x
    x = 377,323,793,103,385.12/22,477,486.77
  6. Step 6: Final answer
    x = 16,786,742.97

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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.