Home / 13,012,844.40-19,519,266.60-12,396,985.20

Finding the Fourth Proportional to 13,012,844.40, 19,519,266.60 and 12,396,985.20

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Solution

The fourth proportional to 13,012,844.40, 19,519,266.60 and 12,396,985.20 is: 18,595,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,844.40 : 19,519,266.60 = 12,396,985.20 : x
  2. Step 2: Convert to fraction form
    13,012,844.40/19,519,266.60 = 12,396,985.20/x
  3. Step 3: Cross multiply
    13,012,844.40x = 19,519,266.60 × 12,396,985.20
  4. Step 4: Simplify right side
    13,012,844.40x = 241,980,059,155,054.31
  5. Step 5: Solve for x
    x = 241,980,059,155,054.31/13,012,844.40
  6. Step 6: Final answer
    x = 18,595,477.80

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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.