Home / 12,687,580.91-17,508,817.50-6,886,362.63

Finding the Fourth Proportional to 12,687,580.91, 17,508,817.50 and 6,886,362.63

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Solution

The fourth proportional to 12,687,580.91, 17,508,817.50 and 6,886,362.63 is: 9,503,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,580.91 : 17,508,817.50 = 6,886,362.63 : x
  2. Step 2: Convert to fraction form
    12,687,580.91/17,508,817.50 = 6,886,362.63/x
  3. Step 3: Cross multiply
    12,687,580.91x = 17,508,817.50 × 6,886,362.63
  4. Step 4: Simplify right side
    12,687,580.91x = 120,572,066,527,490.02
  5. Step 5: Solve for x
    x = 120,572,066,527,490.02/12,687,580.91
  6. Step 6: Final answer
    x = 9,503,156.47

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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.