Home / 10,255,770.46-14,157,321.06-6,390,201.50

Finding the Fourth Proportional to 10,255,770.46, 14,157,321.06 and 6,390,201.50

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Solution

The fourth proportional to 10,255,770.46, 14,157,321.06 and 6,390,201.50 is: 8,821,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,770.46 : 14,157,321.06 = 6,390,201.50 : x
  2. Step 2: Convert to fraction form
    10,255,770.46/14,157,321.06 = 6,390,201.50/x
  3. Step 3: Cross multiply
    10,255,770.46x = 14,157,321.06 × 6,390,201.50
  4. Step 4: Simplify right side
    10,255,770.46x = 90,468,134,273,593.59
  5. Step 5: Solve for x
    x = 90,468,134,273,593.59/10,255,770.46
  6. Step 6: Final answer
    x = 8,821,193.36

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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.