Home / 18,704,031.76-28,031,245.08-9,605,762.32

Finding the Fourth Proportional to 18,704,031.76, 28,031,245.08 and 9,605,762.32

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Solution

The fourth proportional to 18,704,031.76, 28,031,245.08 and 9,605,762.32 is: 14,395,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,031.76 : 28,031,245.08 = 9,605,762.32 : x
  2. Step 2: Convert to fraction form
    18,704,031.76/28,031,245.08 = 9,605,762.32/x
  3. Step 3: Cross multiply
    18,704,031.76x = 28,031,245.08 × 9,605,762.32
  4. Step 4: Simplify right side
    18,704,031.76x = 269,261,477,772,149.38
  5. Step 5: Solve for x
    x = 269,261,477,772,149.38/18,704,031.76
  6. Step 6: Final answer
    x = 14,395,905.72

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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.