Home / 19,864,077.60-29,796,116.40-11,801,920.80

Finding the Fourth Proportional to 19,864,077.60, 29,796,116.40 and 11,801,920.80

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Solution

The fourth proportional to 19,864,077.60, 29,796,116.40 and 11,801,920.80 is: 17,702,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864,077.60 : 29,796,116.40 = 11,801,920.80 : x
  2. Step 2: Convert to fraction form
    19,864,077.60/29,796,116.40 = 11,801,920.80/x
  3. Step 3: Cross multiply
    19,864,077.60x = 29,796,116.40 × 11,801,920.80
  4. Step 4: Simplify right side
    19,864,077.60x = 351,651,405,900,381.12
  5. Step 5: Solve for x
    x = 351,651,405,900,381.12/19,864,077.60
  6. Step 6: Final answer
    x = 17,702,881.20

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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.