Home / 10,256,814.20-15,364,226.10-5,210,967.80

Finding the Fourth Proportional to 10,256,814.20, 15,364,226.10 and 5,210,967.80

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Solution

The fourth proportional to 10,256,814.20, 15,364,226.10 and 5,210,967.80 is: 7,805,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256,814.20 : 15,364,226.10 = 5,210,967.80 : x
  2. Step 2: Convert to fraction form
    10,256,814.20/15,364,226.10 = 5,210,967.80/x
  3. Step 3: Cross multiply
    10,256,814.20x = 15,364,226.10 × 5,210,967.80
  4. Step 4: Simplify right side
    10,256,814.20x = 80,062,487,479,019.58
  5. Step 5: Solve for x
    x = 80,062,487,479,019.58/10,256,814.20
  6. Step 6: Final answer
    x = 7,805,785.10

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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.