Home / 10,255,768.46-14,157,318.30-6,390,199.49

Finding the Fourth Proportional to 10,255,768.46, 14,157,318.30 and 6,390,199.49

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Solution

The fourth proportional to 10,255,768.46, 14,157,318.30 and 6,390,199.49 is: 8,821,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,768.46 : 14,157,318.30 = 6,390,199.49 : x
  2. Step 2: Convert to fraction form
    10,255,768.46/14,157,318.30 = 6,390,199.49/x
  3. Step 3: Cross multiply
    10,255,768.46x = 14,157,318.30 × 6,390,199.49
  4. Step 4: Simplify right side
    10,255,768.46x = 90,468,088,180,427.67
  5. Step 5: Solve for x
    x = 90,468,088,180,427.67/10,255,768.46
  6. Step 6: Final answer
    x = 8,821,190.58

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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.