Home / 20,746,294.44-31,042,370.40-13,033,830.84

Finding the Fourth Proportional to 20,746,294.44, 31,042,370.40 and 13,033,830.84

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Solution

The fourth proportional to 20,746,294.44, 31,042,370.40 and 13,033,830.84 is: 19,502,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,294.44 : 31,042,370.40 = 13,033,830.84 : x
  2. Step 2: Convert to fraction form
    20,746,294.44/31,042,370.40 = 13,033,830.84/x
  3. Step 3: Cross multiply
    20,746,294.44x = 31,042,370.40 × 13,033,830.84
  4. Step 4: Simplify right side
    20,746,294.44x = 404,601,004,666,223.12
  5. Step 5: Solve for x
    x = 404,601,004,666,223.12/20,746,294.44
  6. Step 6: Final answer
    x = 19,502,326.35

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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.