Home / 20,160,185.10-30,240,277.65-6,697,013.10

Finding the Fourth Proportional to 20,160,185.10, 30,240,277.65 and 6,697,013.10

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Solution

The fourth proportional to 20,160,185.10, 30,240,277.65 and 6,697,013.10 is: 10,045,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,185.10 : 30,240,277.65 = 6,697,013.10 : x
  2. Step 2: Convert to fraction form
    20,160,185.10/30,240,277.65 = 6,697,013.10/x
  3. Step 3: Cross multiply
    20,160,185.10x = 30,240,277.65 × 6,697,013.10
  4. Step 4: Simplify right side
    20,160,185.10x = 202,519,535,569,687.19
  5. Step 5: Solve for x
    x = 202,519,535,569,687.19/20,160,185.10
  6. Step 6: Final answer
    x = 10,045,519.65

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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.