Home / 11,008,785.28-15,190,299.46-6,363,003.72

Finding the Fourth Proportional to 11,008,785.28, 15,190,299.46 and 6,363,003.72

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Solution

The fourth proportional to 11,008,785.28, 15,190,299.46 and 6,363,003.72 is: 8,779,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,785.28 : 15,190,299.46 = 6,363,003.72 : x
  2. Step 2: Convert to fraction form
    11,008,785.28/15,190,299.46 = 6,363,003.72/x
  3. Step 3: Cross multiply
    11,008,785.28x = 15,190,299.46 × 6,363,003.72
  4. Step 4: Simplify right side
    11,008,785.28x = 96,655,931,971,894
  5. Step 5: Solve for x
    x = 96,655,931,971,894/11,008,785.28
  6. Step 6: Final answer
    x = 8,779,890.74

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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.