Home / 10,689,801.60-15,997,377.60-7,330,569.60

Finding the Fourth Proportional to 10,689,801.60, 15,997,377.60 and 7,330,569.60

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Solution

The fourth proportional to 10,689,801.60, 15,997,377.60 and 7,330,569.60 is: 10,970,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,801.60 : 15,997,377.60 = 7,330,569.60 : x
  2. Step 2: Convert to fraction form
    10,689,801.60/15,997,377.60 = 7,330,569.60/x
  3. Step 3: Cross multiply
    10,689,801.60x = 15,997,377.60 × 7,330,569.60
  4. Step 4: Simplify right side
    10,689,801.60x = 117,269,889,914,280.95
  5. Step 5: Solve for x
    x = 117,269,889,914,280.95/10,689,801.60
  6. Step 6: Final answer
    x = 10,970,258.79

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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.