Home / 28,712,096.68-39,621,295.38-17,109,401.80

Finding the Fourth Proportional to 28,712,096.68, 39,621,295.38 and 17,109,401.80

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Solution

The fourth proportional to 28,712,096.68, 39,621,295.38 and 17,109,401.80 is: 23,610,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712,096.68 : 39,621,295.38 = 17,109,401.80 : x
  2. Step 2: Convert to fraction form
    28,712,096.68/39,621,295.38 = 17,109,401.80/x
  3. Step 3: Cross multiply
    28,712,096.68x = 39,621,295.38 × 17,109,401.80
  4. Step 4: Simplify right side
    28,712,096.68x = 677,896,662,492,903.75
  5. Step 5: Solve for x
    x = 677,896,662,492,903.75/28,712,096.68
  6. Step 6: Final answer
    x = 23,610,141.40

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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.