Home / 11,877,729.40-17,804,784.30-5,476,817.80

Finding the Fourth Proportional to 11,877,729.40, 17,804,784.30 and 5,476,817.80

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Solution

The fourth proportional to 11,877,729.40, 17,804,784.30 and 5,476,817.80 is: 8,209,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,729.40 : 17,804,784.30 = 5,476,817.80 : x
  2. Step 2: Convert to fraction form
    11,877,729.40/17,804,784.30 = 5,476,817.80/x
  3. Step 3: Cross multiply
    11,877,729.40x = 17,804,784.30 × 5,476,817.80
  4. Step 4: Simplify right side
    11,877,729.40x = 97,513,559,579,400.55
  5. Step 5: Solve for x
    x = 97,513,559,579,400.55/11,877,729.40
  6. Step 6: Final answer
    x = 8,209,781.20

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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.