Home / 13,769,065.40-20,653,598.10-12,281,030.60

Finding the Fourth Proportional to 13,769,065.40, 20,653,598.10 and 12,281,030.60

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Solution

The fourth proportional to 13,769,065.40, 20,653,598.10 and 12,281,030.60 is: 18,421,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,065.40 : 20,653,598.10 = 12,281,030.60 : x
  2. Step 2: Convert to fraction form
    13,769,065.40/20,653,598.10 = 12,281,030.60/x
  3. Step 3: Cross multiply
    13,769,065.40x = 20,653,598.10 × 12,281,030.60
  4. Step 4: Simplify right side
    13,769,065.40x = 253,647,470,266,201.88
  5. Step 5: Solve for x
    x = 253,647,470,266,201.88/13,769,065.40
  6. Step 6: Final answer
    x = 18,421,545.90

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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.