Home / 28,629,457.40-42,944,186.10-17,150,331.80

Finding the Fourth Proportional to 28,629,457.40, 42,944,186.10 and 17,150,331.80

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Solution

The fourth proportional to 28,629,457.40, 42,944,186.10 and 17,150,331.80 is: 25,725,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629,457.40 : 42,944,186.10 = 17,150,331.80 : x
  2. Step 2: Convert to fraction form
    28,629,457.40/42,944,186.10 = 17,150,331.80/x
  3. Step 3: Cross multiply
    28,629,457.40x = 42,944,186.10 × 17,150,331.80
  4. Step 4: Simplify right side
    28,629,457.40x = 736,507,040,495,948
  5. Step 5: Solve for x
    x = 736,507,040,495,948/28,629,457.40
  6. Step 6: Final answer
    x = 25,725,497.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.