Home / 18,988,802.72-26,219,566.34-17,537,917.76

Finding the Fourth Proportional to 18,988,802.72, 26,219,566.34 and 17,537,917.76

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Solution

The fourth proportional to 18,988,802.72, 26,219,566.34 and 17,537,917.76 is: 24,216,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,802.72 : 26,219,566.34 = 17,537,917.76 : x
  2. Step 2: Convert to fraction form
    18,988,802.72/26,219,566.34 = 17,537,917.76/x
  3. Step 3: Cross multiply
    18,988,802.72x = 26,219,566.34 × 17,537,917.76
  4. Step 4: Simplify right side
    18,988,802.72x = 459,836,598,173,784.25
  5. Step 5: Solve for x
    x = 459,836,598,173,784.25/18,988,802.72
  6. Step 6: Final answer
    x = 24,216,197.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.