Home / 20,971,053.28-31,464,125.07-7,326,207.19

Finding the Fourth Proportional to 20,971,053.28, 31,464,125.07 and 7,326,207.19

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Solution

The fourth proportional to 20,971,053.28, 31,464,125.07 and 7,326,207.19 is: 10,991,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,053.28 : 31,464,125.07 = 7,326,207.19 : x
  2. Step 2: Convert to fraction form
    20,971,053.28/31,464,125.07 = 7,326,207.19/x
  3. Step 3: Cross multiply
    20,971,053.28x = 31,464,125.07 × 7,326,207.19
  4. Step 4: Simplify right side
    20,971,053.28x = 230,512,699,314,893.28
  5. Step 5: Solve for x
    x = 230,512,699,314,893.28/20,971,053.28
  6. Step 6: Final answer
    x = 10,991,946.67

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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.