Home / 28,500,833.70-39,330,193.77-16,891,505.10

Finding the Fourth Proportional to 28,500,833.70, 39,330,193.77 and 16,891,505.10

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Solution

The fourth proportional to 28,500,833.70, 39,330,193.77 and 16,891,505.10 is: 23,309,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,833.70 : 39,330,193.77 = 16,891,505.10 : x
  2. Step 2: Convert to fraction form
    28,500,833.70/39,330,193.77 = 16,891,505.10/x
  3. Step 3: Cross multiply
    28,500,833.70x = 39,330,193.77 × 16,891,505.10
  4. Step 4: Simplify right side
    28,500,833.70x = 664,346,168,649,943.38
  5. Step 5: Solve for x
    x = 664,346,168,649,943.38/28,500,833.70
  6. Step 6: Final answer
    x = 23,309,710.01

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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.