Home / 10,957,427.20-16,436,140.80-10,642,499.20

Finding the Fourth Proportional to 10,957,427.20, 16,436,140.80 and 10,642,499.20

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Solution

The fourth proportional to 10,957,427.20, 16,436,140.80 and 10,642,499.20 is: 15,963,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957,427.20 : 16,436,140.80 = 10,642,499.20 : x
  2. Step 2: Convert to fraction form
    10,957,427.20/16,436,140.80 = 10,642,499.20/x
  3. Step 3: Cross multiply
    10,957,427.20x = 16,436,140.80 × 10,642,499.20
  4. Step 4: Simplify right side
    10,957,427.20x = 174,921,615,315,087.34
  5. Step 5: Solve for x
    x = 174,921,615,315,087.34/10,957,427.20
  6. Step 6: Final answer
    x = 15,963,748.80

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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.