Home / 28,488,579.03-39,314,184.09-15,436,191.24

Finding the Fourth Proportional to 28,488,579.03, 39,314,184.09 and 15,436,191.24

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Solution

The fourth proportional to 28,488,579.03, 39,314,184.09 and 15,436,191.24 is: 21,301,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,579.03 : 39,314,184.09 = 15,436,191.24 : x
  2. Step 2: Convert to fraction form
    28,488,579.03/39,314,184.09 = 15,436,191.24/x
  3. Step 3: Cross multiply
    28,488,579.03x = 39,314,184.09 × 15,436,191.24
  4. Step 4: Simplify right side
    28,488,579.03x = 606,861,264,057,805.38
  5. Step 5: Solve for x
    x = 606,861,264,057,805.38/28,488,579.03
  6. Step 6: Final answer
    x = 21,301,914.13

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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.