Home / 20,734,709.60-31,102,064.40-7,266,677.60

Finding the Fourth Proportional to 20,734,709.60, 31,102,064.40 and 7,266,677.60

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Solution

The fourth proportional to 20,734,709.60, 31,102,064.40 and 7,266,677.60 is: 10,900,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,709.60 : 31,102,064.40 = 7,266,677.60 : x
  2. Step 2: Convert to fraction form
    20,734,709.60/31,102,064.40 = 7,266,677.60/x
  3. Step 3: Cross multiply
    20,734,709.60x = 31,102,064.40 × 7,266,677.60
  4. Step 4: Simplify right side
    20,734,709.60x = 226,008,674,689,237.41
  5. Step 5: Solve for x
    x = 226,008,674,689,237.41/20,734,709.60
  6. Step 6: Final answer
    x = 10,900,016.40

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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.