Home / 30,891,830.68-42,618,590.33-17,653,905.64

Finding the Fourth Proportional to 30,891,830.68, 42,618,590.33 and 17,653,905.64

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Solution

The fourth proportional to 30,891,830.68, 42,618,590.33 and 17,653,905.64 is: 24,355,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891,830.68 : 42,618,590.33 = 17,653,905.64 : x
  2. Step 2: Convert to fraction form
    30,891,830.68/42,618,590.33 = 17,653,905.64/x
  3. Step 3: Cross multiply
    30,891,830.68x = 42,618,590.33 × 17,653,905.64
  4. Step 4: Simplify right side
    30,891,830.68x = 752,384,572,195,636.50
  5. Step 5: Solve for x
    x = 752,384,572,195,636.50/30,891,830.68
  6. Step 6: Final answer
    x = 24,355,454.36

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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.