Home / 10,596,138.30-15,858,778.05-7,407,492.30

Finding the Fourth Proportional to 10,596,138.30, 15,858,778.05 and 7,407,492.30

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Solution

The fourth proportional to 10,596,138.30, 15,858,778.05 and 7,407,492.30 is: 11,086,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,596,138.30 : 15,858,778.05 = 7,407,492.30 : x
  2. Step 2: Convert to fraction form
    10,596,138.30/15,858,778.05 = 7,407,492.30/x
  3. Step 3: Cross multiply
    10,596,138.30x = 15,858,778.05 × 7,407,492.30
  4. Step 4: Simplify right side
    10,596,138.30x = 117,473,776,292,784.02
  5. Step 5: Solve for x
    x = 117,473,776,292,784.02/10,596,138.30
  6. Step 6: Final answer
    x = 11,086,470.65

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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.