Home / 10,380,670.60-15,571,005.90-9,782,799.48

Finding the Fourth Proportional to 10,380,670.60, 15,571,005.90 and 9,782,799.48

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Solution

The fourth proportional to 10,380,670.60, 15,571,005.90 and 9,782,799.48 is: 14,674,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,670.60 : 15,571,005.90 = 9,782,799.48 : x
  2. Step 2: Convert to fraction form
    10,380,670.60/15,571,005.90 = 9,782,799.48/x
  3. Step 3: Cross multiply
    10,380,670.60x = 15,571,005.90 × 9,782,799.48
  4. Step 4: Simplify right side
    10,380,670.60x = 152,328,028,343,741.91
  5. Step 5: Solve for x
    x = 152,328,028,343,741.91/10,380,670.60
  6. Step 6: Final answer
    x = 14,674,199.21

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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.