Home / 18,861,828.90-28,292,743.35-17,745,802.80

Finding the Fourth Proportional to 18,861,828.90, 28,292,743.35 and 17,745,802.80

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Solution

The fourth proportional to 18,861,828.90, 28,292,743.35 and 17,745,802.80 is: 26,618,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,828.90 : 28,292,743.35 = 17,745,802.80 : x
  2. Step 2: Convert to fraction form
    18,861,828.90/28,292,743.35 = 17,745,802.80/x
  3. Step 3: Cross multiply
    18,861,828.90x = 28,292,743.35 × 17,745,802.80
  4. Step 4: Simplify right side
    18,861,828.90x = 502,077,444,160,111.44
  5. Step 5: Solve for x
    x = 502,077,444,160,111.44/18,861,828.90
  6. Step 6: Final answer
    x = 26,618,704.20

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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.