Home / 20,388,046.20-30,582,069.30-19,604,225.40

Finding the Fourth Proportional to 20,388,046.20, 30,582,069.30 and 19,604,225.40

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Solution

The fourth proportional to 20,388,046.20, 30,582,069.30 and 19,604,225.40 is: 29,406,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388,046.20 : 30,582,069.30 = 19,604,225.40 : x
  2. Step 2: Convert to fraction form
    20,388,046.20/30,582,069.30 = 19,604,225.40/x
  3. Step 3: Cross multiply
    20,388,046.20x = 30,582,069.30 × 19,604,225.40
  4. Step 4: Simplify right side
    20,388,046.20x = 599,537,779,755,620.25
  5. Step 5: Solve for x
    x = 599,537,779,755,620.25/20,388,046.20
  6. Step 6: Final answer
    x = 29,406,338.10

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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.