Home / 10,935,013.20-16,402,519.80-7,351,832.40

Finding the Fourth Proportional to 10,935,013.20, 16,402,519.80 and 7,351,832.40

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Solution

The fourth proportional to 10,935,013.20, 16,402,519.80 and 7,351,832.40 is: 11,027,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,013.20 : 16,402,519.80 = 7,351,832.40 : x
  2. Step 2: Convert to fraction form
    10,935,013.20/16,402,519.80 = 7,351,832.40/x
  3. Step 3: Cross multiply
    10,935,013.20x = 16,402,519.80 × 7,351,832.40
  4. Step 4: Simplify right side
    10,935,013.20x = 120,588,576,507,281.53
  5. Step 5: Solve for x
    x = 120,588,576,507,281.53/10,935,013.20
  6. Step 6: Final answer
    x = 11,027,748.60

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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.