Home / 19,520,668.17-26,922,814.56-17,160,820.20

Finding the Fourth Proportional to 19,520,668.17, 26,922,814.56 and 17,160,820.20

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Solution

The fourth proportional to 19,520,668.17, 26,922,814.56 and 17,160,820.20 is: 23,668,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520,668.17 : 26,922,814.56 = 17,160,820.20 : x
  2. Step 2: Convert to fraction form
    19,520,668.17/26,922,814.56 = 17,160,820.20/x
  3. Step 3: Cross multiply
    19,520,668.17x = 26,922,814.56 × 17,160,820.20
  4. Step 4: Simplify right side
    19,520,668.17x = 462,017,579,942,102.06
  5. Step 5: Solve for x
    x = 462,017,579,942,102.06/19,520,668.17
  6. Step 6: Final answer
    x = 23,668,123.24

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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.