Home / 12,810,878.40-19,192,989.60-6,064,420.80

Finding the Fourth Proportional to 12,810,878.40, 19,192,989.60 and 6,064,420.80

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Solution

The fourth proportional to 12,810,878.40, 19,192,989.60 and 6,064,420.80 is: 9,085,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,878.40 : 19,192,989.60 = 6,064,420.80 : x
  2. Step 2: Convert to fraction form
    12,810,878.40/19,192,989.60 = 6,064,420.80/x
  3. Step 3: Cross multiply
    12,810,878.40x = 19,192,989.60 × 6,064,420.80
  4. Step 4: Simplify right side
    12,810,878.40x = 116,394,365,344,423.69
  5. Step 5: Solve for x
    x = 116,394,365,344,423.69/12,810,878.40
  6. Step 6: Final answer
    x = 9,085,588.18

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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.