Home / 20,569,930.05-30,833,140.79-7,607,750.54

Finding the Fourth Proportional to 20,569,930.05, 30,833,140.79 and 7,607,750.54

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Solution

The fourth proportional to 20,569,930.05, 30,833,140.79 and 7,607,750.54 is: 11,403,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,930.05 : 30,833,140.79 = 7,607,750.54 : x
  2. Step 2: Convert to fraction form
    20,569,930.05/30,833,140.79 = 7,607,750.54/x
  3. Step 3: Cross multiply
    20,569,930.05x = 30,833,140.79 × 7,607,750.54
  4. Step 4: Simplify right side
    20,569,930.05x = 234,570,843,495,018.53
  5. Step 5: Solve for x
    x = 234,570,843,495,018.53/20,569,930.05
  6. Step 6: Final answer
    x = 11,403,580.03

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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.