Home / 13,280,885.20-19,921,327.80-13,196,904.40

Finding the Fourth Proportional to 13,280,885.20, 19,921,327.80 and 13,196,904.40

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Solution

The fourth proportional to 13,280,885.20, 19,921,327.80 and 13,196,904.40 is: 19,795,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,885.20 : 19,921,327.80 = 13,196,904.40 : x
  2. Step 2: Convert to fraction form
    13,280,885.20/19,921,327.80 = 13,196,904.40/x
  3. Step 3: Cross multiply
    13,280,885.20x = 19,921,327.80 × 13,196,904.40
  4. Step 4: Simplify right side
    13,280,885.20x = 262,899,858,497,662.34
  5. Step 5: Solve for x
    x = 262,899,858,497,662.34/13,280,885.20
  6. Step 6: Final answer
    x = 19,795,356.60

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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.