Home / 20,779,523.19-31,177,551.65-7,996,595.67

Finding the Fourth Proportional to 20,779,523.19, 31,177,551.65 and 7,996,595.67

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Solution

The fourth proportional to 20,779,523.19, 31,177,551.65 and 7,996,595.67 is: 11,998,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,523.19 : 31,177,551.65 = 7,996,595.67 : x
  2. Step 2: Convert to fraction form
    20,779,523.19/31,177,551.65 = 7,996,595.67/x
  3. Step 3: Cross multiply
    20,779,523.19x = 31,177,551.65 × 7,996,595.67
  4. Step 4: Simplify right side
    20,779,523.19x = 249,314,274,485,608.38
  5. Step 5: Solve for x
    x = 249,314,274,485,608.38/20,779,523.19
  6. Step 6: Final answer
    x = 11,998,074.85

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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.