Home / 19,486,307.20-29,229,460.80-18,441,212.80

Finding the Fourth Proportional to 19,486,307.20, 29,229,460.80 and 18,441,212.80

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Solution

The fourth proportional to 19,486,307.20, 29,229,460.80 and 18,441,212.80 is: 27,661,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,307.20 : 29,229,460.80 = 18,441,212.80 : x
  2. Step 2: Convert to fraction form
    19,486,307.20/29,229,460.80 = 18,441,212.80/x
  3. Step 3: Cross multiply
    19,486,307.20x = 29,229,460.80 × 18,441,212.80
  4. Step 4: Simplify right side
    19,486,307.20x = 539,026,706,642,058.25
  5. Step 5: Solve for x
    x = 539,026,706,642,058.25/19,486,307.20
  6. Step 6: Final answer
    x = 27,661,819.20

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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.