Home / 15,555,072.64-21,462,794.88-8,938,382.80

Finding the Fourth Proportional to 15,555,072.64, 21,462,794.88 and 8,938,382.80

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Solution

The fourth proportional to 15,555,072.64, 21,462,794.88 and 8,938,382.80 is: 12,333,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,072.64 : 21,462,794.88 = 8,938,382.80 : x
  2. Step 2: Convert to fraction form
    15,555,072.64/21,462,794.88 = 8,938,382.80/x
  3. Step 3: Cross multiply
    15,555,072.64x = 21,462,794.88 × 8,938,382.80
  4. Step 4: Simplify right side
    15,555,072.64x = 191,842,676,595,320.06
  5. Step 5: Solve for x
    x = 191,842,676,595,320.06/15,555,072.64
  6. Step 6: Final answer
    x = 12,333,126.37

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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.