Home / 28,489,588.01-39,315,666.20-15,436,836.63

Finding the Fourth Proportional to 28,489,588.01, 39,315,666.20 and 15,436,836.63

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Solution

The fourth proportional to 28,489,588.01, 39,315,666.20 and 15,436,836.63 is: 21,302,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,588.01 : 39,315,666.20 = 15,436,836.63 : x
  2. Step 2: Convert to fraction form
    28,489,588.01/39,315,666.20 = 15,436,836.63/x
  3. Step 3: Cross multiply
    28,489,588.01x = 39,315,666.20 × 15,436,836.63
  4. Step 4: Simplify right side
    28,489,588.01x = 606,909,516,051,828.75
  5. Step 5: Solve for x
    x = 606,909,516,051,828.75/28,489,588.01
  6. Step 6: Final answer
    x = 21,302,853.37

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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.