Home / 15,606,855.71-21,537,302.22-8,637,546.80

Finding the Fourth Proportional to 15,606,855.71, 21,537,302.22 and 8,637,546.80

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Solution

The fourth proportional to 15,606,855.71, 21,537,302.22 and 8,637,546.80 is: 11,919,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,855.71 : 21,537,302.22 = 8,637,546.80 : x
  2. Step 2: Convert to fraction form
    15,606,855.71/21,537,302.22 = 8,637,546.80/x
  3. Step 3: Cross multiply
    15,606,855.71x = 21,537,302.22 × 8,637,546.80
  4. Step 4: Simplify right side
    15,606,855.71x = 186,029,455,803,694.09
  5. Step 5: Solve for x
    x = 186,029,455,803,694.09/15,606,855.71
  6. Step 6: Final answer
    x = 11,919,726.77

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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.