Home / 13,790,675.12-19,028,244.60-7,989,110.87

Finding the Fourth Proportional to 13,790,675.12, 19,028,244.60 and 7,989,110.87

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Solution

The fourth proportional to 13,790,675.12, 19,028,244.60 and 7,989,110.87 is: 11,023,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,675.12 : 19,028,244.60 = 7,989,110.87 : x
  2. Step 2: Convert to fraction form
    13,790,675.12/19,028,244.60 = 7,989,110.87/x
  3. Step 3: Cross multiply
    13,790,675.12x = 19,028,244.60 × 7,989,110.87
  4. Step 4: Simplify right side
    13,790,675.12x = 152,018,755,675,737.59
  5. Step 5: Solve for x
    x = 152,018,755,675,737.59/13,790,675.12
  6. Step 6: Final answer
    x = 11,023,300.48

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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.