Home / 22,500,741.69-31,051,032.35-12,187,432.89

Finding the Fourth Proportional to 22,500,741.69, 31,051,032.35 and 12,187,432.89

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Solution

The fourth proportional to 22,500,741.69, 31,051,032.35 and 12,187,432.89 is: 16,818,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,741.69 : 31,051,032.35 = 12,187,432.89 : x
  2. Step 2: Convert to fraction form
    22,500,741.69/31,051,032.35 = 12,187,432.89/x
  3. Step 3: Cross multiply
    22,500,741.69x = 31,051,032.35 × 12,187,432.89
  4. Step 4: Simplify right side
    22,500,741.69x = 378,432,372,869,906.81
  5. Step 5: Solve for x
    x = 378,432,372,869,906.81/22,500,741.69
  6. Step 6: Final answer
    x = 16,818,662.16

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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.