Home / 11,687,432.32-16,128,347.20-6,530,836.16

Finding the Fourth Proportional to 11,687,432.32, 16,128,347.20 and 6,530,836.16

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Solution

The fourth proportional to 11,687,432.32, 16,128,347.20 and 6,530,836.16 is: 9,012,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,432.32 : 16,128,347.20 = 6,530,836.16 : x
  2. Step 2: Convert to fraction form
    11,687,432.32/16,128,347.20 = 6,530,836.16/x
  3. Step 3: Cross multiply
    11,687,432.32x = 16,128,347.20 × 6,530,836.16
  4. Step 4: Simplify right side
    11,687,432.32x = 105,331,593,094,794.75
  5. Step 5: Solve for x
    x = 105,331,593,094,794.75/11,687,432.32
  6. Step 6: Final answer
    x = 9,012,381.01

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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.