Home / 6,457,147.18-8,910,862.85-3,556,538.15

Finding the Fourth Proportional to 6,457,147.18, 8,910,862.85 and 3,556,538.15

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Solution

The fourth proportional to 6,457,147.18, 8,910,862.85 and 3,556,538.15 is: 4,908,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,147.18 : 8,910,862.85 = 3,556,538.15 : x
  2. Step 2: Convert to fraction form
    6,457,147.18/8,910,862.85 = 3,556,538.15/x
  3. Step 3: Cross multiply
    6,457,147.18x = 8,910,862.85 × 3,556,538.15
  4. Step 4: Simplify right side
    6,457,147.18x = 31,691,823,639,779.75
  5. Step 5: Solve for x
    x = 31,691,823,639,779.75/6,457,147.18
  6. Step 6: Final answer
    x = 4,908,022.50

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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.