Home / 20,733,579.78-28,618,030.87-12,034,554.91

Finding the Fourth Proportional to 20,733,579.78, 28,618,030.87 and 12,034,554.91

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Solution

The fourth proportional to 20,733,579.78, 28,618,030.87 and 12,034,554.91 is: 16,610,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,579.78 : 28,618,030.87 = 12,034,554.91 : x
  2. Step 2: Convert to fraction form
    20,733,579.78/28,618,030.87 = 12,034,554.91/x
  3. Step 3: Cross multiply
    20,733,579.78x = 28,618,030.87 × 12,034,554.91
  4. Step 4: Simplify right side
    20,733,579.78x = 344,405,264,088,378.38
  5. Step 5: Solve for x
    x = 344,405,264,088,378.38/20,733,579.78
  6. Step 6: Final answer
    x = 16,610,988.92

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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.