Home / 20,849,545.79-31,247,081.52-11,627,150.25

Finding the Fourth Proportional to 20,849,545.79, 31,247,081.52 and 11,627,150.25

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Solution

The fourth proportional to 20,849,545.79, 31,247,081.52 and 11,627,150.25 is: 17,425,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849,545.79 : 31,247,081.52 = 11,627,150.25 : x
  2. Step 2: Convert to fraction form
    20,849,545.79/31,247,081.52 = 11,627,150.25/x
  3. Step 3: Cross multiply
    20,849,545.79x = 31,247,081.52 × 11,627,150.25
  4. Step 4: Simplify right side
    20,849,545.79x = 363,314,511,707,038.38
  5. Step 5: Solve for x
    x = 363,314,511,707,038.38/20,849,545.79
  6. Step 6: Final answer
    x = 17,425,536.05

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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.