Home / 19,798,153.30-27,325,281.72-12,910,677.94

Finding the Fourth Proportional to 19,798,153.30, 27,325,281.72 and 12,910,677.94

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Solution

The fourth proportional to 19,798,153.30, 27,325,281.72 and 12,910,677.94 is: 17,819,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798,153.30 : 27,325,281.72 = 12,910,677.94 : x
  2. Step 2: Convert to fraction form
    19,798,153.30/27,325,281.72 = 12,910,677.94/x
  3. Step 3: Cross multiply
    19,798,153.30x = 27,325,281.72 × 12,910,677.94
  4. Step 4: Simplify right side
    19,798,153.30x = 352,787,911,906,689.25
  5. Step 5: Solve for x
    x = 352,787,911,906,689.25/19,798,153.30
  6. Step 6: Final answer
    x = 17,819,233.27

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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.