Home / 19,153,743.60-28,730,615.40-18,901,801.20

Finding the Fourth Proportional to 19,153,743.60, 28,730,615.40 and 18,901,801.20

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Solution

The fourth proportional to 19,153,743.60, 28,730,615.40 and 18,901,801.20 is: 28,352,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,743.60 : 28,730,615.40 = 18,901,801.20 : x
  2. Step 2: Convert to fraction form
    19,153,743.60/28,730,615.40 = 18,901,801.20/x
  3. Step 3: Cross multiply
    19,153,743.60x = 28,730,615.40 × 18,901,801.20
  4. Step 4: Simplify right side
    19,153,743.60x = 543,060,380,644,458.44
  5. Step 5: Solve for x
    x = 543,060,380,644,458.44/19,153,743.60
  6. Step 6: Final answer
    x = 28,352,701.80

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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.