Home / 20,323,217.91-28,045,688.76-11,030,588.58

Finding the Fourth Proportional to 20,323,217.91, 28,045,688.76 and 11,030,588.58

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Solution

The fourth proportional to 20,323,217.91, 28,045,688.76 and 11,030,588.58 is: 15,222,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,217.91 : 28,045,688.76 = 11,030,588.58 : x
  2. Step 2: Convert to fraction form
    20,323,217.91/28,045,688.76 = 11,030,588.58/x
  3. Step 3: Cross multiply
    20,323,217.91x = 28,045,688.76 × 11,030,588.58
  4. Step 4: Simplify right side
    20,323,217.91x = 309,360,454,154,290.38
  5. Step 5: Solve for x
    x = 309,360,454,154,290.38/20,323,217.91
  6. Step 6: Final answer
    x = 15,222,021.21

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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.