Home / 10,255,765.85-14,157,314.69-6,390,196.88

Finding the Fourth Proportional to 10,255,765.85, 14,157,314.69 and 6,390,196.88

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Solution

The fourth proportional to 10,255,765.85, 14,157,314.69 and 6,390,196.88 is: 8,821,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,765.85 : 14,157,314.69 = 6,390,196.88 : x
  2. Step 2: Convert to fraction form
    10,255,765.85/14,157,314.69 = 6,390,196.88/x
  3. Step 3: Cross multiply
    10,255,765.85x = 14,157,314.69 × 6,390,196.88
  4. Step 4: Simplify right side
    10,255,765.85x = 90,468,028,161,216.16
  5. Step 5: Solve for x
    x = 90,468,028,161,216.16/10,255,765.85
  6. Step 6: Final answer
    x = 8,821,186.98

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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.