Home / 19,313,451.60-28,970,177.40-8,696,619.60

Finding the Fourth Proportional to 19,313,451.60, 28,970,177.40 and 8,696,619.60

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Solution

The fourth proportional to 19,313,451.60, 28,970,177.40 and 8,696,619.60 is: 13,044,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,451.60 : 28,970,177.40 = 8,696,619.60 : x
  2. Step 2: Convert to fraction form
    19,313,451.60/28,970,177.40 = 8,696,619.60/x
  3. Step 3: Cross multiply
    19,313,451.60x = 28,970,177.40 × 8,696,619.60
  4. Step 4: Simplify right side
    19,313,451.60x = 251,942,612,592,317.03
  5. Step 5: Solve for x
    x = 251,942,612,592,317.03/19,313,451.60
  6. Step 6: Final answer
    x = 13,044,929.40

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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.