Home / 10,595,646.80-15,858,040.80-7,407,000.80

Finding the Fourth Proportional to 10,595,646.80, 15,858,040.80 and 7,407,000.80

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Solution

The fourth proportional to 10,595,646.80, 15,858,040.80 and 7,407,000.80 is: 11,085,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595,646.80 : 15,858,040.80 = 7,407,000.80 : x
  2. Step 2: Convert to fraction form
    10,595,646.80/15,858,040.80 = 7,407,000.80/x
  3. Step 3: Cross multiply
    10,595,646.80x = 15,858,040.80 × 7,407,000.80
  4. Step 4: Simplify right side
    10,595,646.80x = 117,460,520,892,032.64
  5. Step 5: Solve for x
    x = 117,460,520,892,032.64/10,595,646.80
  6. Step 6: Final answer
    x = 11,085,733.90

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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.