Home / 12,687,409.48-17,508,156.60-6,886,066.64

Finding the Fourth Proportional to 12,687,409.48, 17,508,156.60 and 6,886,066.64

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Solution

The fourth proportional to 12,687,409.48, 17,508,156.60 and 6,886,066.64 is: 9,502,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,409.48 : 17,508,156.60 = 6,886,066.64 : x
  2. Step 2: Convert to fraction form
    12,687,409.48/17,508,156.60 = 6,886,066.64/x
  3. Step 3: Cross multiply
    12,687,409.48x = 17,508,156.60 × 6,886,066.64
  4. Step 4: Simplify right side
    12,687,409.48x = 120,562,333,091,155.83
  5. Step 5: Solve for x
    x = 120,562,333,091,155.83/12,687,409.48
  6. Step 6: Final answer
    x = 9,502,517.70

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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.