Home / 28,712,445.68-39,621,777-17,109,750.80

Finding the Fourth Proportional to 28,712,445.68, 39,621,777 and 17,109,750.80

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Solution

The fourth proportional to 28,712,445.68, 39,621,777 and 17,109,750.80 is: 23,610,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712,445.68 : 39,621,777 = 17,109,750.80 : x
  2. Step 2: Convert to fraction form
    28,712,445.68/39,621,777 = 17,109,750.80/x
  3. Step 3: Cross multiply
    28,712,445.68x = 39,621,777 × 17,109,750.80
  4. Step 4: Simplify right side
    28,712,445.68x = 677,918,730,723,171.62
  5. Step 5: Solve for x
    x = 677,918,730,723,171.62/28,712,445.68
  6. Step 6: Final answer
    x = 23,610,623.01

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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.