Home / 28,133,848.92-42,200,312.76-8,964,346.80

Finding the Fourth Proportional to 28,133,848.92, 42,200,312.76 and 8,964,346.80

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Solution

The fourth proportional to 28,133,848.92, 42,200,312.76 and 8,964,346.80 is: 13,446,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133,848.92 : 42,200,312.76 = 8,964,346.80 : x
  2. Step 2: Convert to fraction form
    28,133,848.92/42,200,312.76 = 8,964,346.80/x
  3. Step 3: Cross multiply
    28,133,848.92x = 42,200,312.76 × 8,964,346.80
  4. Step 4: Simplify right side
    28,133,848.92x = 378,298,238,649,105.19
  5. Step 5: Solve for x
    x = 378,298,238,649,105.19/28,133,848.92
  6. Step 6: Final answer
    x = 13,446,373.43

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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.