Home / 20,895,484.76-31,262,132.70-18,317,307

Finding the Fourth Proportional to 20,895,484.76, 31,262,132.70 and 18,317,307

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Solution

The fourth proportional to 20,895,484.76, 31,262,132.70 and 18,317,307 is: 27,404,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895,484.76 : 31,262,132.70 = 18,317,307 : x
  2. Step 2: Convert to fraction form
    20,895,484.76/31,262,132.70 = 18,317,307/x
  3. Step 3: Cross multiply
    20,895,484.76x = 31,262,132.70 × 18,317,307
  4. Step 4: Simplify right side
    20,895,484.76x = 572,638,082,140,638.88
  5. Step 5: Solve for x
    x = 572,638,082,140,638.88/20,895,484.76
  6. Step 6: Final answer
    x = 27,404,871.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.