Home / 12,312,091.92-16,990,390.26-6,730,090.32

Finding the Fourth Proportional to 12,312,091.92, 16,990,390.26 and 6,730,090.32

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Solution

The fourth proportional to 12,312,091.92, 16,990,390.26 and 6,730,090.32 is: 9,287,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,091.92 : 16,990,390.26 = 6,730,090.32 : x
  2. Step 2: Convert to fraction form
    12,312,091.92/16,990,390.26 = 6,730,090.32/x
  3. Step 3: Cross multiply
    12,312,091.92x = 16,990,390.26 × 6,730,090.32
  4. Step 4: Simplify right side
    12,312,091.92x = 114,346,861,021,848.30
  5. Step 5: Solve for x
    x = 114,346,861,021,848.30/12,312,091.92
  6. Step 6: Final answer
    x = 9,287,362.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.