Home / 19,128,657.60-28,748,973.60-16,665,220.80

Finding the Fourth Proportional to 19,128,657.60, 28,748,973.60 and 16,665,220.80

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Solution

The fourth proportional to 19,128,657.60, 28,748,973.60 and 16,665,220.80 is: 25,046,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,657.60 : 28,748,973.60 = 16,665,220.80 : x
  2. Step 2: Convert to fraction form
    19,128,657.60/28,748,973.60 = 16,665,220.80/x
  3. Step 3: Cross multiply
    19,128,657.60x = 28,748,973.60 × 16,665,220.80
  4. Step 4: Simplify right side
    19,128,657.60x = 479,107,992,817,370.94
  5. Step 5: Solve for x
    x = 479,107,992,817,370.94/19,128,657.60
  6. Step 6: Final answer
    x = 25,046,608.23

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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.