Home / 13,828,885.60-20,743,328.40-3,731,490.40

Finding the Fourth Proportional to 13,828,885.60, 20,743,328.40 and 3,731,490.40

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Solution

The fourth proportional to 13,828,885.60, 20,743,328.40 and 3,731,490.40 is: 5,597,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,885.60 : 20,743,328.40 = 3,731,490.40 : x
  2. Step 2: Convert to fraction form
    13,828,885.60/20,743,328.40 = 3,731,490.40/x
  3. Step 3: Cross multiply
    13,828,885.60x = 20,743,328.40 × 3,731,490.40
  4. Step 4: Simplify right side
    13,828,885.60x = 77,403,530,788,647.36
  5. Step 5: Solve for x
    x = 77,403,530,788,647.36/13,828,885.60
  6. Step 6: Final answer
    x = 5,597,235.60

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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.