Home / 11,983,788-16,537,685.76-6,551,280

Finding the Fourth Proportional to 11,983,788, 16,537,685.76 and 6,551,280

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Solution

The fourth proportional to 11,983,788, 16,537,685.76 and 6,551,280 is: 9,040,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983,788 : 16,537,685.76 = 6,551,280 : x
  2. Step 2: Convert to fraction form
    11,983,788/16,537,685.76 = 6,551,280/x
  3. Step 3: Cross multiply
    11,983,788x = 16,537,685.76 × 6,551,280
  4. Step 4: Simplify right side
    11,983,788x = 108,343,009,965,772.80
  5. Step 5: Solve for x
    x = 108,343,009,965,772.80/11,983,788
  6. Step 6: Final answer
    x = 9,040,798.28

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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.