Home / 19,697,925.55-26,986,032.14-18,961,314.49

Finding the Fourth Proportional to 19,697,925.55, 26,986,032.14 and 18,961,314.49

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Solution

The fourth proportional to 19,697,925.55, 26,986,032.14 and 18,961,314.49 is: 25,976,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697,925.55 : 26,986,032.14 = 18,961,314.49 : x
  2. Step 2: Convert to fraction form
    19,697,925.55/26,986,032.14 = 18,961,314.49/x
  3. Step 3: Cross multiply
    19,697,925.55x = 26,986,032.14 × 18,961,314.49
  4. Step 4: Simplify right side
    19,697,925.55x = 511,690,642,243,787.69
  5. Step 5: Solve for x
    x = 511,690,642,243,787.69/19,697,925.55
  6. Step 6: Final answer
    x = 25,976,879.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.