Home / 6,415,499.88-8,853,389.64-3,515,000.76

Finding the Fourth Proportional to 6,415,499.88, 8,853,389.64 and 3,515,000.76

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Solution

The fourth proportional to 6,415,499.88, 8,853,389.64 and 3,515,000.76 is: 4,850,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,499.88 : 8,853,389.64 = 3,515,000.76 : x
  2. Step 2: Convert to fraction form
    6,415,499.88/8,853,389.64 = 3,515,000.76/x
  3. Step 3: Cross multiply
    6,415,499.88x = 8,853,389.64 × 3,515,000.76
  4. Step 4: Simplify right side
    6,415,499.88x = 31,119,671,313,176.12
  5. Step 5: Solve for x
    x = 31,119,671,313,176.12/6,415,499.88
  6. Step 6: Final answer
    x = 4,850,700.94

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Double scale
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Similar ratio
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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.