Home / 6,520,101.10-9,780,151.65-3,685,749.10

Finding the Fourth Proportional to 6,520,101.10, 9,780,151.65 and 3,685,749.10

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Solution

The fourth proportional to 6,520,101.10, 9,780,151.65 and 3,685,749.10 is: 5,528,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,101.10 : 9,780,151.65 = 3,685,749.10 : x
  2. Step 2: Convert to fraction form
    6,520,101.10/9,780,151.65 = 3,685,749.10/x
  3. Step 3: Cross multiply
    6,520,101.10x = 9,780,151.65 × 3,685,749.10
  4. Step 4: Simplify right side
    6,520,101.10x = 36,047,185,141,851.02
  5. Step 5: Solve for x
    x = 36,047,185,141,851.02/6,520,101.10
  6. Step 6: Final answer
    x = 5,528,623.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.