Home / 19,559,817.20-29,339,725.80-5,185,103.60

Finding the Fourth Proportional to 19,559,817.20, 29,339,725.80 and 5,185,103.60

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Solution

The fourth proportional to 19,559,817.20, 29,339,725.80 and 5,185,103.60 is: 7,777,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559,817.20 : 29,339,725.80 = 5,185,103.60 : x
  2. Step 2: Convert to fraction form
    19,559,817.20/29,339,725.80 = 5,185,103.60/x
  3. Step 3: Cross multiply
    19,559,817.20x = 29,339,725.80 × 5,185,103.60
  4. Step 4: Simplify right side
    19,559,817.20x = 152,129,517,868,592.88
  5. Step 5: Solve for x
    x = 152,129,517,868,592.88/19,559,817.20
  6. Step 6: Final answer
    x = 7,777,655.40

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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.