Home / 12,615,821.49-17,409,840.39-6,814,603.11

Finding the Fourth Proportional to 12,615,821.49, 17,409,840.39 and 6,814,603.11

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Solution

The fourth proportional to 12,615,821.49, 17,409,840.39 and 6,814,603.11 is: 9,404,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,821.49 : 17,409,840.39 = 6,814,603.11 : x
  2. Step 2: Convert to fraction form
    12,615,821.49/17,409,840.39 = 6,814,603.11/x
  3. Step 3: Cross multiply
    12,615,821.49x = 17,409,840.39 × 6,814,603.11
  4. Step 4: Simplify right side
    12,615,821.49x = 118,641,152,466,297.62
  5. Step 5: Solve for x
    x = 118,641,152,466,297.62/12,615,821.49
  6. Step 6: Final answer
    x = 9,404,155.93

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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.