Home / 28,928,425.10-39,918,588.20-17,165,666.66

Finding the Fourth Proportional to 28,928,425.10, 39,918,588.20 and 17,165,666.66

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Solution

The fourth proportional to 28,928,425.10, 39,918,588.20 and 17,165,666.66 is: 23,687,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,425.10 : 39,918,588.20 = 17,165,666.66 : x
  2. Step 2: Convert to fraction form
    28,928,425.10/39,918,588.20 = 17,165,666.66/x
  3. Step 3: Cross multiply
    28,928,425.10x = 39,918,588.20 × 17,165,666.66
  4. Step 4: Simplify right side
    28,928,425.10x = 685,229,178,579,009.50
  5. Step 5: Solve for x
    x = 685,229,178,579,009.50/28,928,425.10
  6. Step 6: Final answer
    x = 23,687,054.38

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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.