Home / 19,128,549.60-28,748,811.60-16,665,112.80

Finding the Fourth Proportional to 19,128,549.60, 28,748,811.60 and 16,665,112.80

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Solution

The fourth proportional to 19,128,549.60, 28,748,811.60 and 16,665,112.80 is: 25,046,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,549.60 : 28,748,811.60 = 16,665,112.80 : x
  2. Step 2: Convert to fraction form
    19,128,549.60/28,748,811.60 = 16,665,112.80/x
  3. Step 3: Cross multiply
    19,128,549.60x = 28,748,811.60 × 16,665,112.80
  4. Step 4: Simplify right side
    19,128,549.60x = 479,102,188,179,948.50
  5. Step 5: Solve for x
    x = 479,102,188,179,948.50/19,128,549.60
  6. Step 6: Final answer
    x = 25,046,446.19

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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.