Home / 13,838,406.32-20,749,578.73-6,551,804.89

Finding the Fourth Proportional to 13,838,406.32, 20,749,578.73 and 6,551,804.89

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Solution

The fourth proportional to 13,838,406.32, 20,749,578.73 and 6,551,804.89 is: 9,823,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,406.32 : 20,749,578.73 = 6,551,804.89 : x
  2. Step 2: Convert to fraction form
    13,838,406.32/20,749,578.73 = 6,551,804.89/x
  3. Step 3: Cross multiply
    13,838,406.32x = 20,749,578.73 × 6,551,804.89
  4. Step 4: Simplify right side
    13,838,406.32x = 135,947,191,355,894.97
  5. Step 5: Solve for x
    x = 135,947,191,355,894.97/13,838,406.32
  6. Step 6: Final answer
    x = 9,823,905.17

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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.