Home / 20,845,145.60-31,266,211.20-6,467,846.40

Finding the Fourth Proportional to 20,845,145.60, 31,266,211.20 and 6,467,846.40

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Solution

The fourth proportional to 20,845,145.60, 31,266,211.20 and 6,467,846.40 is: 9,701,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,145.60 : 31,266,211.20 = 6,467,846.40 : x
  2. Step 2: Convert to fraction form
    20,845,145.60/31,266,211.20 = 6,467,846.40/x
  3. Step 3: Cross multiply
    20,845,145.60x = 31,266,211.20 × 6,467,846.40
  4. Step 4: Simplify right side
    20,845,145.60x = 202,225,051,551,559.69
  5. Step 5: Solve for x
    x = 202,225,051,551,559.69/20,845,145.60
  6. Step 6: Final answer
    x = 9,701,301.94

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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.