Home / 9,072,719.40-13,609,079.10-6,198,709.80

Finding the Fourth Proportional to 9,072,719.40, 13,609,079.10 and 6,198,709.80

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Solution

The fourth proportional to 9,072,719.40, 13,609,079.10 and 6,198,709.80 is: 9,298,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,719.40 : 13,609,079.10 = 6,198,709.80 : x
  2. Step 2: Convert to fraction form
    9,072,719.40/13,609,079.10 = 6,198,709.80/x
  3. Step 3: Cross multiply
    9,072,719.40x = 13,609,079.10 × 6,198,709.80
  4. Step 4: Simplify right side
    9,072,719.40x = 84,358,731,986,145.17
  5. Step 5: Solve for x
    x = 84,358,731,986,145.17/9,072,719.40
  6. Step 6: Final answer
    x = 9,298,064.70

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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.