Home / 11,103,415.40-16,661,343.90-4,712,580.20

Finding the Fourth Proportional to 11,103,415.40, 16,661,343.90 and 4,712,580.20

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Solution

The fourth proportional to 11,103,415.40, 16,661,343.90 and 4,712,580.20 is: 7,071,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103,415.40 : 16,661,343.90 = 4,712,580.20 : x
  2. Step 2: Convert to fraction form
    11,103,415.40/16,661,343.90 = 4,712,580.20/x
  3. Step 3: Cross multiply
    11,103,415.40x = 16,661,343.90 × 4,712,580.20
  4. Step 4: Simplify right side
    11,103,415.40x = 78,517,919,368,530.78
  5. Step 5: Solve for x
    x = 78,517,919,368,530.78/11,103,415.40
  6. Step 6: Final answer
    x = 7,071,510.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.