Home / 34,469,403.42-47,567,776.76-18,999,820.20

Finding the Fourth Proportional to 34,469,403.42, 47,567,776.76 and 18,999,820.20

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Solution

The fourth proportional to 34,469,403.42, 47,567,776.76 and 18,999,820.20 is: 26,219,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,469,403.42 : 47,567,776.76 = 18,999,820.20 : x
  2. Step 2: Convert to fraction form
    34,469,403.42/47,567,776.76 = 18,999,820.20/x
  3. Step 3: Cross multiply
    34,469,403.42x = 47,567,776.76 × 18,999,820.20
  4. Step 4: Simplify right side
    34,469,403.42x = 903,779,205,753,738.50
  5. Step 5: Solve for x
    x = 903,779,205,753,738.50/34,469,403.42
  6. Step 6: Final answer
    x = 26,219,751.90

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1.5x scale

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.