Home / 30,585,053.85-42,207,371.91-16,646,508.83

Finding the Fourth Proportional to 30,585,053.85, 42,207,371.91 and 16,646,508.83

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Solution

The fourth proportional to 30,585,053.85, 42,207,371.91 and 16,646,508.83 is: 22,972,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585,053.85 : 42,207,371.91 = 16,646,508.83 : x
  2. Step 2: Convert to fraction form
    30,585,053.85/42,207,371.91 = 16,646,508.83/x
  3. Step 3: Cross multiply
    30,585,053.85x = 42,207,371.91 × 16,646,508.83
  4. Step 4: Simplify right side
    30,585,053.85x = 702,605,388,979,872
  5. Step 5: Solve for x
    x = 702,605,388,979,872/30,585,053.85
  6. Step 6: Final answer
    x = 22,972,180.87

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1.5x scale

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.