Home / 30,582,814.80-45,874,222.20-10,388,056.80

Finding the Fourth Proportional to 30,582,814.80, 45,874,222.20 and 10,388,056.80

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Solution

The fourth proportional to 30,582,814.80, 45,874,222.20 and 10,388,056.80 is: 15,582,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582,814.80 : 45,874,222.20 = 10,388,056.80 : x
  2. Step 2: Convert to fraction form
    30,582,814.80/45,874,222.20 = 10,388,056.80/x
  3. Step 3: Cross multiply
    30,582,814.80x = 45,874,222.20 × 10,388,056.80
  4. Step 4: Simplify right side
    30,582,814.80x = 476,544,025,869,421
  5. Step 5: Solve for x
    x = 476,544,025,869,421/30,582,814.80
  6. Step 6: Final answer
    x = 15,582,085.20

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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.