Home / 20,957,838.40-31,453,346.40-8,184,462.40

Finding the Fourth Proportional to 20,957,838.40, 31,453,346.40 and 8,184,462.40

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Solution

The fourth proportional to 20,957,838.40, 31,453,346.40 and 8,184,462.40 is: 12,283,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,957,838.40 : 31,453,346.40 = 8,184,462.40 : x
  2. Step 2: Convert to fraction form
    20,957,838.40/31,453,346.40 = 8,184,462.40/x
  3. Step 3: Cross multiply
    20,957,838.40x = 31,453,346.40 × 8,184,462.40
  4. Step 4: Simplify right side
    20,957,838.40x = 257,428,730,964,975.38
  5. Step 5: Solve for x
    x = 257,428,730,964,975.38/20,957,838.40
  6. Step 6: Final answer
    x = 12,283,171.86

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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.