Home / 20,998,211.70-31,497,317.55-5,852,143.20

Finding the Fourth Proportional to 20,998,211.70, 31,497,317.55 and 5,852,143.20

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Solution

The fourth proportional to 20,998,211.70, 31,497,317.55 and 5,852,143.20 is: 8,778,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998,211.70 : 31,497,317.55 = 5,852,143.20 : x
  2. Step 2: Convert to fraction form
    20,998,211.70/31,497,317.55 = 5,852,143.20/x
  3. Step 3: Cross multiply
    20,998,211.70x = 31,497,317.55 × 5,852,143.20
  4. Step 4: Simplify right side
    20,998,211.70x = 184,326,812,718,473.16
  5. Step 5: Solve for x
    x = 184,326,812,718,473.16/20,998,211.70
  6. Step 6: Final answer
    x = 8,778,214.80

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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.