Home / 34,412,218.75-47,490,115.86-18,730,485.61

Finding the Fourth Proportional to 34,412,218.75, 47,490,115.86 and 18,730,485.61

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Solution

The fourth proportional to 34,412,218.75, 47,490,115.86 and 18,730,485.61 is: 25,848,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,412,218.75 : 47,490,115.86 = 18,730,485.61 : x
  2. Step 2: Convert to fraction form
    34,412,218.75/47,490,115.86 = 18,730,485.61/x
  3. Step 3: Cross multiply
    34,412,218.75x = 47,490,115.86 × 18,730,485.61
  4. Step 4: Simplify right side
    34,412,218.75x = 889,512,931,614,237.50
  5. Step 5: Solve for x
    x = 889,512,931,614,237.50/34,412,218.75
  6. Step 6: Final answer
    x = 25,848,752.68

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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.