Home / 19,932,671.80-29,899,007.70-18,605,567.80

Finding the Fourth Proportional to 19,932,671.80, 29,899,007.70 and 18,605,567.80

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Solution

The fourth proportional to 19,932,671.80, 29,899,007.70 and 18,605,567.80 is: 27,908,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,671.80 : 29,899,007.70 = 18,605,567.80 : x
  2. Step 2: Convert to fraction form
    19,932,671.80/29,899,007.70 = 18,605,567.80/x
  3. Step 3: Cross multiply
    19,932,671.80x = 29,899,007.70 × 18,605,567.80
  4. Step 4: Simplify right side
    19,932,671.80x = 556,288,014,915,072.06
  5. Step 5: Solve for x
    x = 556,288,014,915,072.06/19,932,671.80
  6. Step 6: Final answer
    x = 27,908,351.70

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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.