Home / 12,521,830.70-18,779,724.96-5,231,352.14

Finding the Fourth Proportional to 12,521,830.70, 18,779,724.96 and 5,231,352.14

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Solution

The fourth proportional to 12,521,830.70, 18,779,724.96 and 5,231,352.14 is: 7,845,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,830.70 : 18,779,724.96 = 5,231,352.14 : x
  2. Step 2: Convert to fraction form
    12,521,830.70/18,779,724.96 = 5,231,352.14/x
  3. Step 3: Cross multiply
    12,521,830.70x = 18,779,724.96 × 5,231,352.14
  4. Step 4: Simplify right side
    12,521,830.70x = 98,243,354,420,651.14
  5. Step 5: Solve for x
    x = 98,243,354,420,651.14/12,521,830.70
  6. Step 6: Final answer
    x = 7,845,766.07

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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.