Home / 11,687,563.40-16,128,527.82-6,530,967.32

Finding the Fourth Proportional to 11,687,563.40, 16,128,527.82 and 6,530,967.32

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Solution

The fourth proportional to 11,687,563.40, 16,128,527.82 and 6,530,967.32 is: 9,012,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,563.40 : 16,128,527.82 = 6,530,967.32 : x
  2. Step 2: Convert to fraction form
    11,687,563.40/16,128,527.82 = 6,530,967.32/x
  3. Step 3: Cross multiply
    11,687,563.40x = 16,128,527.82 × 6,530,967.32
  4. Step 4: Simplify right side
    11,687,563.40x = 105,334,888,112,130.84
  5. Step 5: Solve for x
    x = 105,334,888,112,130.84/11,687,563.40
  6. Step 6: Final answer
    x = 9,012,561.86

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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.