Home / 30,582,803.80-45,874,205.70-10,388,045.80

Finding the Fourth Proportional to 30,582,803.80, 45,874,205.70 and 10,388,045.80

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Solution

The fourth proportional to 30,582,803.80, 45,874,205.70 and 10,388,045.80 is: 15,582,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582,803.80 : 45,874,205.70 = 10,388,045.80 : x
  2. Step 2: Convert to fraction form
    30,582,803.80/45,874,205.70 = 10,388,045.80/x
  3. Step 3: Cross multiply
    30,582,803.80x = 45,874,205.70 × 10,388,045.80
  4. Step 4: Simplify right side
    30,582,803.80x = 476,543,349,850,221.12
  5. Step 5: Solve for x
    x = 476,543,349,850,221.12/30,582,803.80
  6. Step 6: Final answer
    x = 15,582,068.70

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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.